Merge m-c to fx-team, a=merge

devtools/client/framework/devtools-browser.js

@@ -228,7 +228,7 @@ var gDevToolsBrowser = exports.gDevToolsBrowser = {
     }
   },
 
-  _getContentProcessTarget: function () {
+  _getContentProcessTarget: function (processId) {
     // Create a DebuggerServer in order to connect locally to it
     if (!DebuggerServer.initialized) {
       DebuggerServer.init();
@@ -241,49 +241,54 @@ var gDevToolsBrowser = exports.gDevToolsBrowser = {
 
     let deferred = defer();
     client.connect().then(() => {
-      client.mainRoot.listProcesses(response => {
-        // Do nothing if there is only one process, the parent process.
-        let contentProcesses = response.processes.filter(p => (!p.parent));
-        if (contentProcesses.length < 1) {
-          let msg = L10N.getStr("toolbox.noContentProcess.message");
-          Services.prompt.alert(null, "", msg);
-          deferred.reject("No content processes available.");
-          return;
-        }
-        // Otherwise, arbitrary connect to the unique content process.
-        client.getProcess(contentProcesses[0].id)
-              .then(response => {
-                let options = {
-                  form: response.form,
-                  client: client,
-                  chrome: true,
-                  isTabActor: false
-                };
-                return TargetFactory.forRemoteTab(options);
-              })
-              .then(target => {
-                // Ensure closing the connection in order to cleanup
-                // the debugger client and also the server created in the
-                // content process
-                target.on("close", () => {
-                  client.close();
-                });
-                deferred.resolve(target);
+      client.getProcess(processId)
+            .then(response => {
+              let options = {
+                form: response.form,
+                client: client,
+                chrome: true,
+                isTabActor: false
+              };
+              return TargetFactory.forRemoteTab(options);
+            })
+            .then(target => {
+              // Ensure closing the connection in order to cleanup
+              // the debugger client and also the server created in the
+              // content process
+              target.on("close", () => {
+                client.close();
               });
-      });
+              deferred.resolve(target);
+            });
     });
 
     return deferred.promise;
   },
 
-   // Used by browser-sets.inc, command
-  openContentProcessToolbox: function () {
-    this._getContentProcessTarget()
-        .then(target => {
-          // Display a new toolbox, in a new window, with debugger by default
-          return gDevTools.showToolbox(target, "jsdebugger",
-                                       Toolbox.HostType.WINDOW);
-        });
+   // Used by menus.js
+  openContentProcessToolbox: function (gBrowser) {
+    let { childCount } = Services.ppmm;
+    // Get the process message manager for the current tab
+    let mm = gBrowser.selectedBrowser.messageManager.processMessageManager;
+    let processId = null;
+    for (let i = 1; i < childCount; i++) {
+      let child = Services.ppmm.getChildAt(i);
+      if (child == mm) {
+        processId = i;
+        break;
+      }
+    }
+    if (processId) {
+      this._getContentProcessTarget(processId)
+          .then(target => {
+            // Display a new toolbox, in a new window, with debugger by default
+            return gDevTools.showToolbox(target, "jsdebugger",
+                                         Toolbox.HostType.WINDOW);
+          });
+    } else {
+      let msg = L10N.getStr("toolbox.noContentProcessForTab.message");
+      Services.prompt.alert(null, "", msg);
+    }
   },
 
   /**

devtools/client/inspector/rules/models/rule.js

@@ -189,7 +189,7 @@ Rule.prototype = {
     }
 
     this.applyProperties((modifications) => {
-      modifications.createProperty(ind, name, value, priority);
+      modifications.createProperty(ind, name, value, priority, enabled);
       // Now that the rule has been updated, the server might have given us data
       // that changes the state of the property. Update it now.
       prop.updateEditor();

devtools/client/inspector/rules/test/browser_rules_add-property-and-reselect.js

@@ -29,7 +29,7 @@ function* setPropertyOnAllRules(view) {
   // view to be updated.
   let onRefreshed = view.once("ruleview-refreshed");
   for (let rule of view._elementStyle.rules) {
-    rule.editor.addProperty("font-weight", "bold", "");
+    rule.editor.addProperty("font-weight", "bold", "", true);
   }
   yield onRefreshed;
 }

devtools/client/inspector/rules/test/browser_rules_add-rule-and-property.js

@@ -20,7 +20,7 @@ add_task(function* () {
   let ruleEditor = getRuleViewRuleEditor(view, 1);
 
   let onRuleViewChanged = view.once("ruleview-changed");
-  ruleEditor.addProperty("font-weight", "bold", "");
+  ruleEditor.addProperty("font-weight", "bold", "", true);
   yield onRuleViewChanged;
 
   let textProps = ruleEditor.rule.textProps;

devtools/client/inspector/rules/test/browser_rules_add-rule-iframes.js

@@ -47,7 +47,7 @@ function* addNewProperty(view, index, name, value) {
   info(`Adding new property "${name}: ${value};"`);
 
   let onRuleViewChanged = view.once("ruleview-changed");
-  idRuleEditor.addProperty(name, value, "");
+  idRuleEditor.addProperty(name, value, "", true);
   yield onRuleViewChanged;
 
   let textProps = idRuleEditor.rule.textProps;

devtools/client/inspector/rules/test/browser_rules_add-rule-then-property-edit-selector.js

@@ -39,7 +39,7 @@ add_task(function* () {
 
 function* testAddingProperty(view, index) {
   let ruleEditor = getRuleViewRuleEditor(view, index);
-  ruleEditor.addProperty("font-weight", "bold", "");
+  ruleEditor.addProperty("font-weight", "bold", "", true);
   let textProps = ruleEditor.rule.textProps;
   let lastRule = textProps[textProps.length - 1];
   is(lastRule.name, "font-weight", "Last rule name is font-weight");

devtools/client/inspector/rules/test/browser_rules_keyframes-rule_02.js

@@ -36,7 +36,7 @@ function* testPacman(inspector, view) {
 
   // let defaultView = element.ownerDocument.defaultView;
   // let ruleEditor = view.element.children[5].childNodes[0]._ruleEditor;
-  // ruleEditor.addProperty("opacity", "0");
+  // ruleEditor.addProperty("opacity", "0", true);
 
   // yield ruleEditor._applyingModifications;
   // yield once(element, "animationend");

devtools/client/inspector/rules/test/browser_rules_pseudo-element_01.js

@@ -70,12 +70,12 @@ function* testTopLeft(inspector, view) {
 
   let onAdded = view.once("ruleview-changed");
   let firstProp = elementFirstLineRuleView.addProperty("background-color",
-    "rgb(0, 255, 0)", "");
+    "rgb(0, 255, 0)", "", true);
   yield onAdded;
 
   onAdded = view.once("ruleview-changed");
   let secondProp = elementFirstLineRuleView.addProperty("font-style",
-    "italic", "");
+    "italic", "", true);
   yield onAdded;
 
   is(firstProp,
@@ -108,7 +108,7 @@ function* testTopLeft(inspector, view) {
 
   onAdded = view.once("ruleview-changed");
   firstProp = elementRuleView.addProperty("background-color",
-                                          "rgb(0, 0, 255)", "");
+                                          "rgb(0, 0, 255)", "", true);
   yield onAdded;
 
   is((yield getComputedStyleProperty(id, null, "background-color")),

devtools/client/inspector/rules/test/browser_rules_refresh-on-attribute-change_02.js

@@ -32,7 +32,7 @@ function* testPropertyChanges(inspector, ruleView) {
   info("Adding a second margin-top value in the element selector");
   let ruleEditor = ruleView._elementStyle.rules[0].editor;
   let onRefreshed = inspector.once("rule-view-refreshed");
-  ruleEditor.addProperty("margin-top", "5px", "");
+  ruleEditor.addProperty("margin-top", "5px", "", true);
   yield onRefreshed;
 
   let rule = ruleView._elementStyle.rules[0];

devtools/client/locales/en-US/toolbox.properties

@@ -93,10 +93,10 @@ pickButton.tooltip=Pick an element from the page
 # bar, when there's no enough space to show all tabs at once
 sidebar.showAllTabs.tooltip=All tabs
 
-# LOCALIZATION NOTE (toolbox.noContentProcess.message)
+# LOCALIZATION NOTE (toolbox.noContentProcessForTab.message)
 # Used as a message in the alert displayed when trying to open a browser
-# content toolbox and there is no content process running
-toolbox.noContentProcess.message=No content process running.
+# content toolbox and there is no content process running for the current tab
+toolbox.noContentProcessForTab.message=No content process for this tab.
 
 # LOCALIZATION NOTE (toolbox.viewCssSourceInStyleEditor.label)
 # Used as a message in either tooltips or contextual menu items to open the

devtools/client/menus.js

@@ -112,8 +112,9 @@ exports.menuitems = [
   { id: "menu_browserContentToolbox",
     l10nKey: "browserContentToolboxMenu",
     disabled: true,
-    oncommand() {
-      gDevToolsBrowser.openContentProcessToolbox();
+    oncommand(event) {
+      let window = event.target.ownerDocument.defaultView;
+      gDevToolsBrowser.openContentProcessToolbox(window.gBrowser);
     }
   },
   { id: "menu_browserConsole",

devtools/client/netmonitor/test/browser.ini

@@ -114,6 +114,8 @@ skip-if = (os == 'linux' && e10s && debug) # Bug 1242204
 [browser_net_reload-button.js]
 [browser_net_reload-markers.js]
 [browser_net_req-resp-bodies.js]
+[browser_net_resend_cors.js]
+[browser_net_resend_headers.js]
 [browser_net_resend.js]
 [browser_net_security-details.js]
 [browser_net_security-error.js]

devtools/client/netmonitor/test/browser_net_resend.js

@@ -9,6 +9,7 @@
 
 const ADD_QUERY = "t1=t2";
 const ADD_HEADER = "Test-header: true";
+const ADD_UA_HEADER = "User-Agent: Custom-Agent";
 const ADD_POSTDATA = "&t3=t4";
 
 add_task(function* () {
@@ -129,6 +130,11 @@ add_task(function* () {
     type(["VK_RETURN"]);
     type(ADD_HEADER);
 
+    // add a User-Agent header, to check if default headers can be modified
+    // (there will be two of them, first gets overwritten by the second)
+    type(["VK_RETURN"]);
+    type(ADD_UA_HEADER);
+
     let postData = document.getElementById("custom-postdata-value");
     let postFocus = once(postData, "focus", false);
     postData.focus();
@@ -149,6 +155,9 @@ add_task(function* () {
     let hasHeader = headers.some(h => `${h.name}: ${h.value}` == ADD_HEADER);
     ok(hasHeader, "new header added to sent request");
 
+    let hasUAHeader = headers.some(h => `${h.name}: ${h.value}` == ADD_UA_HEADER);
+    ok(hasUAHeader, "User-Agent header added to sent request");
+
     is(data.requestPostData.postData.text,
        origData.requestPostData.postData.text + ADD_POSTDATA,
        "post data added to sent request");

devtools/client/netmonitor/test/browser_net_resend_cors.js

@@ -0,0 +1,80 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Tests if resending a CORS request avoids the security checks and doesn't send
+ * a preflight OPTIONS request (bug 1270096 and friends)
+ */
+
+add_task(function* () {
+  let { tab, monitor } = yield initNetMonitor(CORS_URL);
+  info("Starting test... ");
+
+  let { EVENTS, NetMonitorView } = monitor.panelWin;
+  let { RequestsMenu } = NetMonitorView;
+
+  RequestsMenu.lazyUpdate = false;
+
+  let requestUrl = "http://test1.example.com" + CORS_SJS_PATH;
+
+  info("Waiting for OPTIONS, then POST");
+  let wait = waitForNetworkEvents(monitor, 1, 1);
+  yield ContentTask.spawn(tab.linkedBrowser, requestUrl, function* (url) {
+    content.wrappedJSObject.performRequests(url, "triggering/preflight", "post-data");
+  });
+  yield wait;
+
+  const METHODS = ["OPTIONS", "POST"];
+
+  // Check the requests that were sent
+  for (let [i, method] of METHODS.entries()) {
+    let { attachment } = RequestsMenu.getItemAtIndex(i);
+    is(attachment.method, method, `The ${method} request has the right method`);
+    is(attachment.url, requestUrl, `The ${method} request has the right URL`);
+  }
+
+  // Resend both requests without modification. Wait for resent OPTIONS, then POST.
+  // POST is supposed to have no preflight OPTIONS request this time (CORS is disabled)
+  let onRequests = waitForNetworkEvents(monitor, 1, 1);
+  for (let [i, method] of METHODS.entries()) {
+    let item = RequestsMenu.getItemAtIndex(i);
+
+    info(`Selecting the ${method} request (at index ${i})`);
+    let onUpdate = monitor.panelWin.once(EVENTS.TAB_UPDATED);
+    RequestsMenu.selectedItem = item;
+    yield onUpdate;
+
+    info("Cloning the selected request into a custom clone");
+    let onPopulate = monitor.panelWin.once(EVENTS.CUSTOMREQUESTVIEW_POPULATED);
+    RequestsMenu.cloneSelectedRequest();
+    yield onPopulate;
+
+    info("Sending the cloned request (without change)");
+    RequestsMenu.sendCustomRequest();
+  }
+
+  info("Waiting for both resent requests");
+  yield onRequests;
+
+  // Check the resent requests
+  for (let [i, method] of METHODS.entries()) {
+    let index = i + 2;
+    let item = RequestsMenu.getItemAtIndex(index).attachment;
+    is(item.method, method, `The ${method} request has the right method`);
+    is(item.url, requestUrl, `The ${method} request has the right URL`);
+    is(item.status, 200, `The ${method} response has the right status`);
+
+    if (method === "POST") {
+      is(item.requestPostData.postData.text, "post-data",
+        "The POST request has the right POST data");
+      // eslint-disable-next-line mozilla/no-cpows-in-tests
+      is(item.responseContent.content.text, "Access-Control-Allow-Origin: *",
+        "The POST response has the right content");
+    }
+  }
+
+  info("Finishing the test");
+  return teardown(monitor);
+});

devtools/client/netmonitor/test/browser_net_resend_headers.js

@@ -0,0 +1,67 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Test if custom request headers are not ignored (bug 1270096 and friends)
+ */
+
+add_task(function* () {
+  let { monitor } = yield initNetMonitor(SIMPLE_SJS);
+  info("Starting test... ");
+
+  let { NetMonitorView, NetMonitorController } = monitor.panelWin;
+  let { RequestsMenu } = NetMonitorView;
+
+  RequestsMenu.lazyUpdate = false;
+
+  let requestUrl = SIMPLE_SJS;
+  let requestHeaders = [
+    { name: "Host", value: "fakehost.example.com" },
+    { name: "User-Agent", value: "Testzilla" },
+    { name: "Referer", value: "http://example.com/referrer" },
+    { name: "Accept", value: "application/jarda"},
+    { name: "Accept-Encoding", value: "compress, identity, funcoding" },
+    { name: "Accept-Language", value: "cs-CZ" }
+  ];
+
+  let wait = waitForNetworkEvents(monitor, 0, 1);
+  NetMonitorController.webConsoleClient.sendHTTPRequest({
+    url: requestUrl,
+    method: "POST",
+    headers: requestHeaders,
+    body: "Hello"
+  });
+  yield wait;
+
+  let { attachment } = RequestsMenu.getItemAtIndex(0);
+  is(attachment.method, "POST", "The request has the right method");
+  is(attachment.url, requestUrl, "The request has the right URL");
+
+  for (let { name, value } of attachment.requestHeaders.headers) {
+    info(`Request header: ${name}: ${value}`);
+  }
+
+  function hasRequestHeader(name, value) {
+    let { headers } = attachment.requestHeaders;
+    return headers.some(h => h.name === name && h.value === value);
+  }
+
+  function hasNotRequestHeader(name) {
+    let { headers } = attachment.requestHeaders;
+    return headers.every(h => h.name !== name);
+  }
+
+  for (let { name, value } of requestHeaders) {
+    ok(hasRequestHeader(name, value), `The ${name} header has the right value`);
+  }
+
+  // Check that the Cookie header was not added silently (i.e., that the request is
+  // anonymous.
+  for (let name of ["Cookie"]) {
+    ok(hasNotRequestHeader(name), `The ${name} header is not present`);
+  }
+
+  return teardown(monitor);
+});

devtools/client/shared/test/unit/test_rewriteDeclarations.js

@@ -64,14 +64,14 @@ const TEST_DATA = [
     desc: "simple create",
     input: "",
     instruction: {type: "create", name: "p", value: "v", priority: "important",
-                  index: 0},
+                  index: 0, enabled: true},
     expected: "p: v !important;"
   },
   {
     desc: "create between two properties",
     input: "a:b; e: f;",
     instruction: {type: "create", name: "c", value: "d", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "a:b; c: d;e: f;"
   },
   // "create" is passed the name that the user entered, and must do
@@ -80,7 +80,7 @@ const TEST_DATA = [
     desc: "create requiring escape",
     input: "",
     instruction: {type: "create", name: "a b", value: "d", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "a\\ b: d;"
   },
   {
@@ -137,7 +137,7 @@ const TEST_DATA = [
     // Note the lack of a trailing semicolon.
     input: "color: red",
     instruction: {type: "create", name: "a", value: "b", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "color: red;a: b;"
   },
 
@@ -146,7 +146,7 @@ const TEST_DATA = [
     desc: "simple newline insertion",
     input: "\ncolor: red;\n",
     instruction: {type: "create", name: "a", value: "b", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "\ncolor: red;\na: b;\n"
   },
   // Newline insertion.
@@ -155,7 +155,7 @@ const TEST_DATA = [
     // Note the lack of a trailing semicolon.
     input: "\ncolor: red\n",
     instruction: {type: "create", name: "a", value: "b", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "\ncolor: red;\na: b;\n"
   },
   // Newline insertion.
@@ -164,7 +164,7 @@ const TEST_DATA = [
     // Note the lack of a trailing semicolon and newline.
     input: "\ncolor: red",
     instruction: {type: "create", name: "a", value: "b", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "\ncolor: red;\na: b;\n"
   },
 
@@ -173,7 +173,7 @@ const TEST_DATA = [
     desc: "indentation with create",
     input: "\n  color: red;\n",
     instruction: {type: "create", name: "a", value: "b", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "\n  color: red;\n  a: b;\n"
   },
   // Newline insertion and indentation.
@@ -182,7 +182,7 @@ const TEST_DATA = [
     // Note the lack of a trailing semicolon.
     input: "\n  color: red\n",
     instruction: {type: "create", name: "a", value: "b", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "\n  color: red;\n  a: b;\n"
   },
   {
@@ -198,7 +198,7 @@ const TEST_DATA = [
     // the indentation of the "}".
     input: "\n    color: red;\n  ",
     instruction: {type: "create", name: "a", value: "b", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "\n    color: red;\n    a: b;\n  "
   },
   // Newline insertion and indentation.
@@ -207,7 +207,7 @@ const TEST_DATA = [
     // Note how the comment comes before the declaration.
     input: "\n  /* comment */ color: red\n",
     instruction: {type: "create", name: "a", value: "b", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "\n  /* comment */ color: red;\n  a: b;\n"
   },
   // Default indentation.
@@ -215,7 +215,7 @@ const TEST_DATA = [
     desc: "use of default indentation",
     input: "\n",
     instruction: {type: "create", name: "a", value: "b", priority: "",
-                  index: 0},
+                  index: 0, enabled: true},
     expected: "\n\ta: b;\n"
   },
 
@@ -275,7 +275,7 @@ const TEST_DATA = [
     desc: "create single quote termination",
     input: "content: 'hi",
     instruction: {type: "create", name: "color", value: "red", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "content: 'hi';color: red;",
     changed: {0: "'hi'"}
   },
@@ -293,7 +293,7 @@ const TEST_DATA = [
     desc: "create double quote termination",
     input: "content: \"hi",
     instruction: {type: "create", name: "color", value: "red", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "content: \"hi\";color: red;",
     changed: {0: "\"hi\""}
   },
@@ -312,7 +312,7 @@ const TEST_DATA = [
     desc: "create url termination",
     input: "background-image: url(something.jpg",
     instruction: {type: "create", name: "color", value: "red", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "background-image: url(something.jpg);color: red;",
     changed: {0: "url(something.jpg)"}
   },
@@ -331,7 +331,7 @@ const TEST_DATA = [
     desc: "create url single quote termination",
     input: "background-image: url('something.jpg",
     instruction: {type: "create", name: "color", value: "red", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "background-image: url('something.jpg');color: red;",
     changed: {0: "url('something.jpg')"}
   },
@@ -350,7 +350,7 @@ const TEST_DATA = [
     desc: "enable url double quote termination",
     input: "background-image: url(\"something.jpg",
     instruction: {type: "create", name: "color", value: "red", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "background-image: url(\"something.jpg\");color: red;",
     changed: {0: "url(\"something.jpg\")"}
   },
@@ -360,7 +360,7 @@ const TEST_DATA = [
     desc: "create backslash termination",
     input: "something: \\",
     instruction: {type: "create", name: "color", value: "red", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "something: \\\\;color: red;",
     // The lexer rewrites the token before we see it.  However this is
     // so obscure as to be inconsequential.
@@ -372,7 +372,7 @@ const TEST_DATA = [
     desc: "enable backslash single quote termination",
     input: "something: '\\",
     instruction: {type: "create", name: "color", value: "red", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "something: '\\\\';color: red;",
     changed: {0: "'\\\\'"}
   },
@@ -380,7 +380,7 @@ const TEST_DATA = [
     desc: "enable backslash double quote termination",
     input: "something: \"\\",
     instruction: {type: "create", name: "color", value: "red", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "something: \"\\\\\";color: red;",
     changed: {0: "\"\\\\\""}
   },
@@ -390,7 +390,7 @@ const TEST_DATA = [
     desc: "enable comment termination",
     input: "something: blah /* comment ",
     instruction: {type: "create", name: "color", value: "red", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "something: blah /* comment*/; color: red;"
   },
 
@@ -407,7 +407,7 @@ const TEST_DATA = [
     desc: "create sanitize unpaired brace",
     input: "",
     instruction: {type: "create", name: "p", value: "}", priority: "",
-                  index: 0},
+                  index: 0, enabled: true},
     expected: "p: \\};",
     changed: {0: "\\}"}
   },
@@ -435,10 +435,25 @@ const TEST_DATA = [
     desc: "disabled declaration does not need semicolon insertion",
     input: "/*! no: semicolon */\n",
     instruction: {type: "create", name: "walrus", value: "zebra", priority: "",
-                  index: 1},
+                  index: 1, enabled: true},
     expected: "/*! no: semicolon */\nwalrus: zebra;\n",
     changed: {}
   },
+
+  {
+    desc: "create commented-out property",
+    input: "p: v",
+    instruction: {type: "create", name: "shoveler", value: "duck", priority: "",
+                  index: 1, enabled: false},
+    expected: "p: v;/*! shoveler: duck; */",
+  },
+  {
+    desc: "disabled create with comment ender in string",
+    input: "",
+    instruction: {type: "create", name: "content", value: "'*/'", priority: "",
+                  index: 0, enabled: false},
+    expected: "/*! content: '*\\/'; */"
+  },
 ];
 
 function rewriteDeclarations(inputString, instruction, defaultIndentation) {
@@ -458,7 +473,8 @@ function rewriteDeclarations(inputString, instruction, defaultIndentation) {
 
     case "create":
       rewriter.createProperty(instruction.index, instruction.name,
-                              instruction.value, instruction.priority);
+                              instruction.value, instruction.priority,
+                              instruction.enabled);
       break;
 
     case "set":

devtools/client/styleeditor/test/browser.ini

@@ -95,6 +95,7 @@ skip-if = e10s && debug # Bug 1252201 - Docshell leak on debug e10s
 [browser_styleeditor_sourcemap_large.js]
 [browser_styleeditor_sourcemap_watching.js]
 [browser_styleeditor_sync.js]
+[browser_styleeditor_syncAddProperty.js]
 [browser_styleeditor_syncAddRule.js]
 [browser_styleeditor_syncAlreadyOpen.js]
 [browser_styleeditor_syncEditSelector.js]

devtools/client/styleeditor/test/browser_styleeditor_syncAddProperty.js

@@ -0,0 +1,45 @@
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test that adding a new rule is synced to the style editor.
+
+const TESTCASE_URI = TEST_BASE_HTTP + "sync.html";
+
+const expectedText = `
+  body {
+    border-width: 15px;
+    color: red;
+  }
+
+  #testid {
+    font-size: 4em;
+    /*! background-color: yellow; */
+  }
+  `;
+
+add_task(function* () {
+  yield addTab(TESTCASE_URI);
+  let { inspector, view } = yield openRuleView();
+  yield selectNode("#testid", inspector);
+
+  info("Focusing a new property name in the rule-view");
+  let ruleEditor = getRuleViewRuleEditor(view, 1);
+  let editor = yield focusEditableField(view, ruleEditor.closeBrace);
+  is(inplaceEditor(ruleEditor.newPropSpan), editor,
+    "The new property editor has focus");
+
+  let input = editor.input;
+  input.value = "/* background-color: yellow; */";
+
+  info("Pressing return to commit and focus the new value field");
+  let onModifications = view.once("ruleview-changed");
+  EventUtils.synthesizeKey("VK_RETURN", {}, view.styleWindow);
+  yield onModifications;
+
+  let { ui } = yield openStyleEditor();
+  let sourceEditor = yield ui.editors[0].getSourceEditor();
+  let text = sourceEditor.sourceEditor.getText();
+  is(text, expectedText, "selector edits are synced");
+});

devtools/server/actors/webconsole.js

@@ -23,6 +23,7 @@ loader.lazyRequireGetter(this, "events", "sdk/event/core");
 loader.lazyRequireGetter(this, "ServerLoggingListener", "devtools/shared/webconsole/server-logger", true);
 loader.lazyRequireGetter(this, "JSPropertyProvider", "devtools/shared/webconsole/js-property-provider", true);
 loader.lazyRequireGetter(this, "Parser", "resource://devtools/shared/Parser.jsm", true);
+loader.lazyRequireGetter(this, "NetUtil", "resource://gre/modules/NetUtil.jsm", true);
 
 for (let name of ["WebConsoleUtils", "ConsoleServiceListener",
     "ConsoleAPIListener", "addWebConsoleCommands",
@@ -1563,23 +1564,46 @@ WebConsoleActor.prototype =
   /**
    * Send a new HTTP request from the target's window.
    *
-   * @param object aMessage
+   * @param object message
    *        Object with 'request' - the HTTP request details.
    */
-  onSendHTTPRequest: function WCA_onSendHTTPRequest(aMessage)
-  {
-    let details = aMessage.request;
+  onSendHTTPRequest(message) {
+    let { url, method, headers, body } = message.request;
 
-    // send request from target's window
-    let request = new this.window.XMLHttpRequest();
-    request.open(details.method, details.url, true);
+    // Set the loadingNode and loadGroup to the target document - otherwise the
+    // request won't show up in the opened netmonitor.
+    let doc = this.window.document;
 
-    for (let {name, value} of details.headers) {
-      request.setRequestHeader(name, value);
+    let channel = NetUtil.newChannel({
+      uri: NetUtil.newURI(url),
+      loadingNode: doc,
+      securityFlags: Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_DATA_IS_NULL,
+      contentPolicyType: Ci.nsIContentPolicy.TYPE_OTHER
+    });
+
+    channel.QueryInterface(Ci.nsIHttpChannel);
+
+    channel.loadGroup = doc.documentLoadGroup;
+    channel.loadFlags |= Ci.nsIRequest.LOAD_BYPASS_CACHE |
+                         Ci.nsIRequest.INHIBIT_CACHING |
+                         Ci.nsIRequest.LOAD_ANONYMOUS;
+
+    channel.requestMethod = method;
+
+    for (let {name, value} of headers) {
+      channel.setRequestHeader(name, value, false);
     }
-    request.send(details.body);
 
-    let channel = request.channel.QueryInterface(Ci.nsIHttpChannel);
+    if (body) {
+      channel.QueryInterface(Ci.nsIUploadChannel2);
+      let bodyStream = Cc["@mozilla.org/io/string-input-stream;1"]
+        .createInstance(Ci.nsIStringInputStream);
+      bodyStream.setData(body, body.length);
+      channel.explicitSetUploadStream(bodyStream, null, -1, method, false);
+    }
+
+    NetUtil.asyncFetch(channel, () => {});
+
     let actor = this.getNetworkEventActor(channel.channelId);
 
     // map channel to actor so we can associate future events with it

devtools/shared/css-parsing-utils.js

@@ -800,10 +800,12 @@ RuleRewriter.prototype = {
    * @param {String} value value of the new property
    * @param {String} priority priority of the new property; either
    *                          the empty string or "important"
+   * @param {Boolean} enabled True if the new property should be
+   *                          enabled, false if disabled
    * @return {Promise} a promise that is resolved when the edit has
    *                   completed
    */
-  internalCreateProperty: Task.async(function* (index, name, value, priority) {
+  internalCreateProperty: Task.async(function* (index, name, value, priority, enabled) {
     this.completeInitialization(index);
     let newIndentation = "";
     if (this.hasNewLine) {
@@ -833,13 +835,18 @@ RuleRewriter.prototype = {
       }
     }
 
-    this.result += newIndentation + CSS.escape(name) + ": " +
-      this.sanitizeText(value, index);
-
+    let newText = CSS.escape(name) + ": " + this.sanitizeText(value, index);
     if (priority === "important") {
-      this.result += " !important";
+      newText += " !important";
     }
-    this.result += ";";
+    newText += ";";
+
+    if (!enabled) {
+      newText = "/*" + COMMENT_PARSING_HEURISTIC_BYPASS_CHAR + " " +
+        escapeCSSComment(newText) + " */";
+    }
+
+    this.result += newIndentation + newText;
     if (this.hasNewLine) {
       this.result += "\n";
     }
@@ -860,10 +867,12 @@ RuleRewriter.prototype = {
    * @param {String} value value of the new property
    * @param {String} priority priority of the new property; either
    *                          the empty string or "important"
+   * @param {Boolean} enabled True if the new property should be
+   *                          enabled, false if disabled
    */
-  createProperty: function (index, name, value, priority) {
+  createProperty: function (index, name, value, priority, enabled) {
     this.editPromise = this.internalCreateProperty(index, name, value,
-                                                   priority);
+                                                   priority, enabled);
   },
 
   /**
@@ -884,7 +893,7 @@ RuleRewriter.prototype = {
     // We might see a "set" on a previously non-existent property; in
     // that case, act like "create".
     if (!this.decl) {
-      this.createProperty(index, name, value, priority);
+      this.createProperty(index, name, value, priority, true);
       return;
     }
 

devtools/shared/fronts/styles.js

@@ -398,7 +398,7 @@ var RuleModificationList = Class({
    * Create a new property.  This implementation does nothing, because
    * |setRuleText| is not available.
    *
-   * These parameter are passed, but as they are not used in this
+   * These parameters are passed, but as they are not used in this
    * implementation, they are omitted.  They are documented here as
    * this code also defined the interface implemented by @see
    * RuleRewriter.
@@ -412,6 +412,8 @@ var RuleModificationList = Class({
    * @param {String} value value of the new property
    * @param {String} priority priority of the new property; either
    *                          the empty string or "important"
+   * @param {Boolean} enabled True if the new property should be
+   *                          enabled, false if disabled
    */
   createProperty: function () {
     // Nothing.

dom/animation/test/chrome/test_animation_observers.html

@@ -9,6 +9,9 @@
 @keyframes anim {
   to { transform: translate(100px); }
 }
+@keyframes anotherAnim {
+  to { transform: translate(0px); }
+}
 #target {
   width: 100px;
   height: 100px;
@@ -1397,6 +1400,29 @@ function assert_records(expected, desc) {
 
     e.style = "";
   });
+
+  addAsyncAnimTest("animtion_order_change", aOptions, function*() {
+    e.style.animation = "anim 100s, anotherAnim 100s";
+
+    var animations = e.getAnimations();
+    yield await_frame();
+    assert_records([{ added: animations, changed: [], removed: []}],
+                   "records after creation");
+    e.style.animation = "anotherAnim 100s, anim 100s";
+    animations = e.getAnimations();
+    yield await_frame();
+    assert_records([{ added: [], changed: animations, removed: []}],
+                   "records after the order is changed");
+
+    e.style.animation = "anotherAnim 100s, anim 100s";
+    yield await_frame();
+    assert_records([],
+                   "no records after applying the same order");
+
+    e.style.animation = "";
+    yield await_frame();
+  });
+
 });
 
 addAsyncAnimTest("tree_ordering", { observe: div, subtree: true }, function*() {

dom/base/nsGlobalWindow.cpp

@@ -5982,8 +5982,8 @@ nsGlobalWindow::DispatchResizeEvent(const CSSIntSize& aSize)
   CustomEvent* customEvent = static_cast<CustomEvent*>(domEvent.get());
   customEvent->InitCustomEvent(cx,
                                NS_LITERAL_STRING("DOMWindowResize"),
-                               /* bubbles = */ true,
-                               /* cancelable = */ true,
+                               /* aCanBubble = */ true,
+                               /* aCancelable = */ true,
                                detailValue,
                                res);
   if (res.Failed()) {

dom/base/nsScriptLoader.cpp

@@ -2778,6 +2778,7 @@ nsScriptLoader::PreloadURI(nsIURI *aURI, const nsAString &aCharset,
                            bool aScriptFromHead,
                            const mozilla::net::ReferrerPolicy aReferrerPolicy)
 {
+  NS_ENSURE_TRUE_VOID(mDocument);
   // Check to see if scripts has been turned off.
   if (!mEnabled || !mDocument->IsScriptEnabled()) {
     return;
@@ -2794,7 +2795,7 @@ nsScriptLoader::PreloadURI(nsIURI *aURI, const nsAString &aCharset,
            ("nsScriptLoader::PreloadURI, integrity=%s",
             NS_ConvertUTF16toUTF8(aIntegrity).get()));
     nsAutoCString sourceUri;
-    if (mDocument && mDocument->GetDocumentURI()) {
+    if (mDocument->GetDocumentURI()) {
       mDocument->GetDocumentURI()->GetAsciiSpec(sourceUri);
     }
     SRICheck::IntegrityMetadata(aIntegrity, sourceUri, mReporter, &sriMetadata);

dom/browser-element/BrowserElementParent.cpp

@@ -111,8 +111,8 @@ DispatchCustomDOMEvent(Element* aFrameElement, const nsAString& aEventName,
   ErrorResult res;
   event->InitCustomEvent(cx,
                          aEventName,
-                         /* bubbles = */ true,
-                         /* cancelable = */ true,
+                         /* aCanBubble = */ true,
+                         /* aCancelable = */ true,
                          aDetailValue,
                          res);
   if (res.Failed()) {

dom/canvas/WebGLContext.cpp

@@ -729,11 +729,8 @@ WebGLContext::CreateAndInitGL(bool forceEnabled,
     const bool useEGL = PR_GetEnv("MOZ_WEBGL_FORCE_EGL");
 
 #ifdef XP_WIN
-    if (!IsWebGL2()) {
-        // Use only ANGLE on Windows for WebGL 1.
-        tryNativeGL = false;
-        tryANGLE = true;
-    }
+    tryNativeGL = false;
+    tryANGLE = true;
 
     if (gfxPrefs::WebGLDisableWGL()) {
         tryNativeGL = false;

dom/canvas/test/webgl-conf/generated-mochitest.ini

@@ -4593,6 +4593,7 @@ skip-if = (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.
 [generated/test_2_conformance2__state__gl-object-get-calls.html]
 skip-if = (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
 [generated/test_2_conformance2__transform_feedback__transform_feedback.html]
+fail-if = (os == 'win' && (os_version == '6.1' || os_version == '6.2' || os_version == '10.0'))
 skip-if = (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
 [generated/test_2_conformance2__vertex_arrays__vertex-array-object.html]
 fail-if = (os == 'mac') || (os == 'win')
@@ -4792,22 +4793,16 @@ skip-if = (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.
 skip-if = (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
 [generated/test_2_conformance__glsl__constructors__glsl-construct-bvec2.html]
 skip-if = (os == 'win' && os_version == '6.1') || (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-bvec3.html]
 skip-if = (os == 'win' && os_version == '6.1') || (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-bvec4.html]
 skip-if = (os == 'win' && os_version == '6.1') || (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-ivec2.html]
 skip-if = (os == 'win' && os_version == '6.1') || (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-ivec3.html]
 skip-if = (os == 'win' && os_version == '6.1') || (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-ivec4.html]
 skip-if = (os == 'win' && os_version == '6.1') || (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-mat2.html]
 skip-if = (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
 [generated/test_2_conformance__glsl__constructors__glsl-construct-mat3.html]
@@ -4816,18 +4811,14 @@ skip-if = (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.
 skip-if = (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
 [generated/test_2_conformance__glsl__constructors__glsl-construct-vec-mat-corner-cases.html]
 skip-if = (os == 'win' && os_version == '6.1') || (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-vec-mat-index.html]
 skip-if = (os == 'mac') || (os == 'win') || (os == 'linux') || (os == 'android') || (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
 [generated/test_2_conformance__glsl__constructors__glsl-construct-vec2.html]
 skip-if = (os == 'win' && os_version == '6.1') || (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-vec3.html]
 skip-if = (os == 'win' && os_version == '6.1') || (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-vec4.html]
 skip-if = (os == 'win' && os_version == '6.1') || (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__functions__glsl-function-abs.html]
 skip-if = (os == 'android' || os == 'linux' || (os == 'win' && os_version == '5.1'))
 [generated/test_2_conformance__glsl__functions__glsl-function-acos.html]

dom/canvas/test/webgl-conf/mochitest-errata.ini

@@ -628,49 +628,41 @@ skip-if = (os == 'win' && os_version == '6.1')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-bvec2.html]
 # Failure on win7 but got passed on win7 vm
 skip-if = (os == 'win' && os_version == '6.1')
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-bvec3.html]
 # Failure on win7 but got passed on win7 vm
 skip-if = (os == 'win' && os_version == '6.1')
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-bvec4.html]
 # Failure on win7 but got passed on win7 vm
 skip-if = (os == 'win' && os_version == '6.1')
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-ivec2.html]
 # Failure on win7 but got passed on win7 vm
 skip-if = (os == 'win' && os_version == '6.1')
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-ivec3.html]
 # Failure on win7 but got passed on win7 vm
 skip-if = (os == 'win' && os_version == '6.1')
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-ivec4.html]
 # Failure on win7 but got passed on win7 vm
 skip-if = (os == 'win' && os_version == '6.1')
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-vec-mat-corner-cases.html]
 # Failure on win7 but got passed on win7 vm
 skip-if = (os == 'win' && os_version == '6.1')
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-vec2.html]
 # Failure on win7 but got passed on win7 vm
 skip-if = (os == 'win' && os_version == '6.1')
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-vec3.html]
 # Failure on win7 but got passed on win7 vm
 skip-if = (os == 'win' && os_version == '6.1')
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__glsl__constructors__glsl-construct-vec4.html]
 # Failure on win7 but got passed on win7 vm
 skip-if = (os == 'win' && os_version == '6.1')
-fail-if = (os == 'win' && os_version == '6.2')
 [generated/test_2_conformance__textures__misc__tex-image-and-sub-image-2d-with-array-buffer-view.html]
 # Failure on win7 but got passed on win7 vm
 skip-if = (os == 'win' && os_version == '6.1')
 [generated/test_2_conformance__canvas__drawingbuffer-static-canvas-test.html]
 # Framebuffer size can't be GL_MAX_RENDERBUFFER_SIZE
 skip-if = (os == 'win' && os_version == '6.2')
+[generated/test_2_conformance2__transform_feedback__transform_feedback.html]
+fail-if = (os == 'win' && (os_version == '6.1' || os_version == '6.2' || os_version == '10.0'))
 
 ####################
 # failure on Windows

dom/geolocation/nsGeolocation.cpp

@@ -1257,7 +1257,7 @@ Geolocation::Shutdown()
       if (doc) {
         doc->RemoveSystemEventListener(NS_LITERAL_STRING("visibilitychange"),
                                        this,
-                                       /* useCapture = */ true);
+                                       /* aUseCapture = */ true);
       }
     }
   }

dom/ipc/Blob.cpp

@@ -45,6 +45,7 @@
 #include "nsThreadUtils.h"
 #include "nsXULAppAPI.h"
 #include "WorkerPrivate.h"
+#include "WorkerRunnable.h"
 
 #ifdef DEBUG
 #include "BackgroundChild.h" // BackgroundChild::GetForCurrentThread().
@@ -1700,10 +1701,17 @@ class BlobChild::RemoteBlobImpl
 {
 protected:
   class CreateStreamHelper;
+  class WorkerHolder;
 
   BlobChild* mActor;
   nsCOMPtr<nsIEventTarget> mActorTarget;
 
+  // These member variables are protected by mutex and it's set to null when the
+  // worker goes away.
+  WorkerPrivate* mWorkerPrivate;
+  nsAutoPtr<WorkerHolder> mWorkerHolder;
+  Mutex mMutex;
+
   // We use this pointer to keep a live a blobImpl coming from a different
   // process until this one is fully created. We set it to null when
   // SendCreatedFromKnownBlob() is received. This is used only with KnownBlob
@@ -1823,6 +1831,16 @@ public:
     mDifferentProcessBlobImpl = nullptr;
   }
 
+  // Used only by CreateStreamHelper, it dispatches a runnable to the target
+  // thread. This thread can be the main-thread, the background thread or a
+  // worker. If the thread is a worker, the aRunnable is wrapper into a
+  // ControlRunnable in order to avoid to be blocked into a sync event loop.
+  nsresult
+  DispatchToTarget(nsIRunnable* aRunnable);
+
+  void
+  WorkerHasNotified();
+
 protected:
   // For SliceImpl.
   RemoteBlobImpl(const nsAString& aContentType, uint64_t aLength);
@@ -1840,8 +1858,28 @@ protected:
   Destroy();
 };
 
+class BlobChild::RemoteBlobImpl::WorkerHolder final
+  : public workers::WorkerHolder
+{
+  // Raw pointer because this class is kept alive by the mRemoteBlobImpl.
+  RemoteBlobImpl* mRemoteBlobImpl;
+
+public:
+  explicit WorkerHolder(RemoteBlobImpl* aRemoteBlobImpl)
+    : mRemoteBlobImpl(aRemoteBlobImpl)
+  {
+    MOZ_ASSERT(aRemoteBlobImpl);
+  }
+
+  bool Notify(Status aStatus) override
+  {
+    mRemoteBlobImpl->WorkerHasNotified();
+    return true;
+  }
+};
+
 class BlobChild::RemoteBlobImpl::CreateStreamHelper final
-  : public Runnable
+  : public CancelableRunnable
 {
   Monitor mMonitor;
   RefPtr<RemoteBlobImpl> mRemoteBlobImpl;
@@ -1856,8 +1894,7 @@ public:
   nsresult
   GetStream(nsIInputStream** aInputStream);
 
-  NS_DECL_ISUPPORTS_INHERITED
-  NS_DECL_NSIRUNNABLE
+  NS_IMETHOD Run() override;
 
 private:
   ~CreateStreamHelper()
@@ -2054,6 +2091,8 @@ RemoteBlobImpl::RemoteBlobImpl(BlobChild* aActor,
                                BlobImplIsDirectory aIsDirectory,
                                bool aIsSameProcessBlob)
   : BlobImplBase(aName, aContentType, aLength, aModDate)
+  , mWorkerPrivate(nullptr)
+  , mMutex("BlobChild::RemoteBlobImpl::mMutex")
   , mIsSlice(false), mIsDirectory(aIsDirectory == eDirectory)
 {
   SetPath(aPath);
@@ -2076,6 +2115,8 @@ RemoteBlobImpl::RemoteBlobImpl(BlobChild* aActor,
                                uint64_t aLength,
                                bool aIsSameProcessBlob)
   : BlobImplBase(aContentType, aLength)
+  , mWorkerPrivate(nullptr)
+  , mMutex("BlobChild::RemoteBlobImpl::mMutex")
   , mIsSlice(false), mIsDirectory(false)
 {
   if (aIsSameProcessBlob) {
@@ -2092,6 +2133,8 @@ RemoteBlobImpl::RemoteBlobImpl(BlobChild* aActor,
 BlobChild::
 RemoteBlobImpl::RemoteBlobImpl(BlobChild* aActor)
   : BlobImplBase(EmptyString(), EmptyString(), UINT64_MAX, INT64_MAX)
+  , mWorkerPrivate(nullptr)
+  , mMutex("BlobChild::RemoteBlobImpl::mMutex")
   , mIsSlice(false), mIsDirectory(false)
 {
   CommonInit(aActor);
@@ -2101,6 +2144,8 @@ BlobChild::
 RemoteBlobImpl::RemoteBlobImpl(const nsAString& aContentType, uint64_t aLength)
   : BlobImplBase(aContentType, aLength)
   , mActor(nullptr)
+  , mWorkerPrivate(nullptr)
+  , mMutex("BlobChild::RemoteBlobImpl::mMutex")
   , mIsSlice(true)
   , mIsDirectory(false)
 {
@@ -2118,6 +2163,22 @@ RemoteBlobImpl::CommonInit(BlobChild* aActor)
   mActor = aActor;
   mActorTarget = aActor->EventTarget();
 
+  if (!NS_IsMainThread()) {
+    mWorkerPrivate = GetCurrentThreadWorkerPrivate();
+    // We must comunicate via IPC in the owning thread, so, if this BlobImpl has
+    // been created on a Workerr and then it's sent to a different thread (for
+    // instance the main-thread), we still need to keep alive that Worker.
+    if (mWorkerPrivate) {
+      mWorkerHolder = new RemoteBlobImpl::WorkerHolder(this);
+      if (NS_WARN_IF(!mWorkerHolder->HoldWorker(mWorkerPrivate, Closing))) {
+        // We don't care too much if the worker is already going away because no
+        // sync-event-loop can be created at this point.
+        mWorkerPrivate = nullptr;
+        mWorkerHolder = nullptr;
+      }
+    }
+  }
+
   mImmutable = true;
 }
 
@@ -2161,6 +2222,13 @@ RemoteBlobImpl::Destroy()
       mActor->NoteDyingRemoteBlobImpl();
     }
 
+    if (mWorkerHolder) {
+      // We are in the worker thread.
+      MutexAutoLock lock(mMutex);
+      mWorkerPrivate = nullptr;
+      mWorkerHolder = nullptr;
+    }
+
     delete this;
     return;
   }
@@ -2345,6 +2413,71 @@ RemoteBlobImpl::GetBlobParent()
   return nullptr;
 }
 
+class RemoteBlobControlRunnable : public WorkerControlRunnable
+{
+  nsCOMPtr<nsIRunnable> mRunnable;
+
+public:
+  RemoteBlobControlRunnable(WorkerPrivate* aWorkerPrivate,
+                            nsIRunnable* aRunnable)
+    : WorkerControlRunnable(aWorkerPrivate, WorkerThreadUnchangedBusyCount)
+    , mRunnable(aRunnable)
+  {
+    MOZ_ASSERT(aRunnable);
+  }
+
+  bool
+  WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
+  {
+    mRunnable->Run();
+    return true;
+  }
+};
+
+nsresult
+BlobChild::
+RemoteBlobImpl::DispatchToTarget(nsIRunnable* aRunnable)
+{
+  MOZ_ASSERT(aRunnable);
+
+  // We have to protected mWorkerPrivate because this method can be called by
+  // any thread (sort of).
+  MutexAutoLock lock(mMutex);
+
+  if (mWorkerPrivate) {
+    MOZ_ASSERT(mWorkerHolder);
+
+    RefPtr<RemoteBlobControlRunnable> controlRunnable =
+      new RemoteBlobControlRunnable(mWorkerPrivate, aRunnable);
+    if (!controlRunnable->Dispatch()) {
+      return NS_ERROR_FAILURE;
+    }
+
+    return NS_OK;
+  }
+
+  nsCOMPtr<nsIEventTarget> target = BaseRemoteBlobImpl()->GetActorEventTarget();
+  if (!target) {
+    target = do_GetMainThread();
+  }
+
+  MOZ_ASSERT(target);
+
+  return target->Dispatch(aRunnable, NS_DISPATCH_NORMAL);
+}
+
+void
+BlobChild::
+RemoteBlobImpl::WorkerHasNotified()
+{
+  MutexAutoLock lock(mMutex);
+
+  mWorkerHolder->ReleaseWorker();
+
+  mWorkerHolder = nullptr;
+  mWorkerPrivate = nullptr;
+}
+
 /*******************************************************************************
  * BlobChild::RemoteBlobImpl::CreateStreamHelper
  ******************************************************************************/
@@ -2382,16 +2515,7 @@ CreateStreamHelper::GetStream(nsIInputStream** aInputStream)
   if (EventTargetIsOnCurrentThread(baseRemoteBlobImpl->GetActorEventTarget())) {
     RunInternal(baseRemoteBlobImpl, false);
   } else {
-    MOZ_ASSERT(!NS_IsMainThread());
-
-    nsCOMPtr<nsIEventTarget> target = baseRemoteBlobImpl->GetActorEventTarget();
-    if (!target) {
-      target = do_GetMainThread();
-    }
-
-    MOZ_ASSERT(target);
-
-    nsresult rv = target->Dispatch(this, NS_DISPATCH_NORMAL);
+    nsresult rv = baseRemoteBlobImpl->DispatchToTarget(this);
     if (NS_WARN_IF(NS_FAILED(rv))) {
       return rv;
     }
@@ -2462,9 +2586,6 @@ CreateStreamHelper::RunInternal(RemoteBlobImpl* aBaseRemoteBlobImpl,
   }
 }
 
-NS_IMPL_ISUPPORTS_INHERITED0(BlobChild::RemoteBlobImpl::CreateStreamHelper,
-                             Runnable)
-
 NS_IMETHODIMP
 BlobChild::RemoteBlobImpl::
 CreateStreamHelper::Run()

dom/media/tests/mochitest/test_peerConnection_simulcastOffer.html

@@ -101,6 +101,13 @@
           ok(vremote, "Should have remote video element for pcRemote");
           return helper.waitForFrames(vremote);
         },
+        // For some reason, even though we're getting a 25x25 stream, sometimes
+        // the resolution isn't updated on the video element on the first frame.
+        function PC_REMOTE_WAIT_FOR_FRAMES_3() {
+          var vremote = test.pcRemote.remoteMediaElements[0];
+          ok(vremote, "Should have remote video element for pcRemote");
+          return helper.waitForFrames(vremote);
+        },
         function PC_REMOTE_CHECK_SIZE_2() {
           var vlocal = test.pcLocal.localMediaElements[0];
           var vremote = test.pcRemote.remoteMediaElements[0];

dom/webidl/XMLHttpRequest.webidl

@@ -130,7 +130,7 @@ interface XMLHttpRequest : XMLHttpRequestEventTarget {
   attribute XMLHttpRequestResponseType responseType;
   [Throws]
   readonly attribute any response;
-  [Throws]
+  [Cached, Pure, Throws]
   readonly attribute DOMString? responseText;
 
   [Throws, Exposed=Window]

dom/workers/RuntimeService.cpp

@@ -1437,7 +1437,9 @@ GetWorkerPrivateFromContext(JSContext* aCx)
   MOZ_ASSERT(aCx);
 
   void* cxPrivate = JS_GetContextPrivate(aCx);
-  MOZ_ASSERT(cxPrivate);
+  if (!cxPrivate) {
+    return nullptr;
+  }
 
   return
     static_cast<WorkerThreadContextPrivate*>(cxPrivate)->GetWorkerPrivate();
@@ -1457,7 +1459,13 @@ GetCurrentThreadWorkerPrivate()
   MOZ_ASSERT(cx);
 
   void* cxPrivate = JS_GetContextPrivate(cx);
-  MOZ_ASSERT(cxPrivate);
+  if (!cxPrivate) {
+    // This can happen if the nsCycleCollector_shutdown() in ~WorkerJSRuntime()
+    // triggers any calls to GetCurrentThreadWorkerPrivate().  At this stage
+    // CycleCollectedJSRuntime::Get() will still return a runtime, but
+    // the context private has already been cleared.
+    return nullptr;
+  }
 
   return
     static_cast<WorkerThreadContextPrivate*>(cxPrivate)->GetWorkerPrivate();

dom/workers/test/mochitest.ini

@@ -103,6 +103,8 @@ support-files =
   importScripts_3rdParty_worker.js
   worker_bug1278777.js
   worker_setTimeoutWith0.js
+  worker_bug1301094.js
+  script_bug1301094.js
   !/dom/base/test/file_websocket_basic_wsh.py
   !/dom/base/test/file_websocket_hello_wsh.py
   !/dom/base/test/file_websocket_http_resource.txt
@@ -227,3 +229,4 @@ skip-if = buildapp == 'b2g' || toolkit == 'android' #bug 982828
 [test_navigator_workers_hardwareConcurrency.html]
 [test_bug1278777.html]
 [test_setTimeoutWith0.html]
+[test_bug1301094.html]

dom/workers/test/script_bug1301094.js

@@ -0,0 +1,15 @@
+var { classes: Cc, interfaces: Ci, utils: Cu } = Components;
+Cu.importGlobalProperties(["File", "Directory"]);
+
+addMessageListener("file.open", function (e) {
+  var tmpFile = Cc["@mozilla.org/file/directory_service;1"]
+                  .getService(Ci.nsIDirectoryService)
+                  .QueryInterface(Ci.nsIProperties)
+                  .get('TmpD', Ci.nsIFile)
+  tmpFile.append('file.txt');
+  tmpFile.createUnique(Components.interfaces.nsIFile.FILE_TYPE, 0o600);
+
+  sendAsyncMessage("file.opened", {
+    data: new File(tmpFile)
+  });
+});

dom/workers/test/test_bug1301094.html

@@ -0,0 +1,69 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1301094
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 1301094</title>
+  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+  <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1301094">Mozilla Bug 1301094</a>
+  <input id="file" type="file"></input>
+  <script type="application/javascript">
+
+SimpleTest.waitForExplicitFinish();
+
+var url = SimpleTest.getTestFileURL("script_bug1301094.js");
+script = SpecialPowers.loadChromeScript(url);
+
+var mainThreadOk, workerOk;
+
+function maybeFinish() {
+  if (mainThreadOk & workerOk) {
+    SimpleTest.finish();
+  }
+}
+
+function onOpened(message) {
+  var input = document.getElementById('file');
+  SpecialPowers.wrap(input).mozSetDndFilesAndDirectories([message.data]);
+
+  var worker = new Worker('worker_bug1301094.js');
+  worker.onerror = function() {
+    ok(false, "We should not see any error.");
+    SimpleTest.finish();
+  }
+
+  worker.onmessage = function(e) {
+    ok(e.data, "Everything seems OK on the worker-side.");
+
+    workerOk = true;
+    maybeFinish();
+  }
+
+  is(input.files.length, 1, "We have something");
+  ok(input.files[0] instanceof Blob, "We have one Blob");
+  worker.postMessage(input.files[0]);
+
+  var xhr = new XMLHttpRequest();
+  xhr.open("POST", 'worker_bug1301094.js', false);
+  xhr.onload = function() {
+    ok(xhr.responseText, "Everything seems OK on the main-thread-side.");
+    mainThreadOk = true;
+    maybeFinish();
+  };
+
+  var fd = new FormData();
+  fd.append('file', input.files[0]);
+  xhr.send(fd);
+}
+
+script.addMessageListener("file.opened", onOpened);
+script.sendAsyncMessage("file.open");
+
+  </script>
+</body>
+</html>

dom/workers/test/worker_bug1301094.js

@@ -0,0 +1,11 @@
+onmessage = function(e) {
+  var xhr = new XMLHttpRequest();
+  xhr.open("POST", 'worker_bug1301094.js', false);
+  xhr.onload = function() {
+    self.postMessage("OK");
+  };
+
+  var fd = new FormData();
+  fd.append('file', e.data);
+  xhr.send(fd);
+}

dom/xhr/XMLHttpRequestMainThread.cpp

@@ -288,7 +288,7 @@ XMLHttpRequestMainThread::ResetResponse()
 {
   mResponseXML = nullptr;
   mResponseBody.Truncate();
-  mResponseText.Truncate();
+  TruncateResponseText();
   mResponseBlob = nullptr;
   mDOMBlob = nullptr;
   mBlobSet = nullptr;
@@ -420,7 +420,7 @@ XMLHttpRequestMainThread::SizeOfEventTargetIncludingThis(
   // - Binary extensions, but they're *extremely* unlikely to do any memory
   //   reporting.
   //
-  n += mResponseText.SizeOfExcludingThisEvenIfShared(aMallocSizeOf);
+  n += mResponseText.SizeOfThis(aMallocSizeOf);
 
   return n;
 
@@ -535,35 +535,30 @@ XMLHttpRequestMainThread::AppendToResponseText(const char * aSrcBuffer,
                                        &destBufferLen);
   NS_ENSURE_SUCCESS(rv, rv);
 
-  uint32_t size = mResponseText.Length() + destBufferLen;
-  if (size < (uint32_t)destBufferLen) {
+  CheckedInt32 size = mResponseText.Length();
+  size += destBufferLen;
+  if (!size.isValid()) {
     return NS_ERROR_OUT_OF_MEMORY;
   }
 
-  if (!mResponseText.SetCapacity(size, fallible)) {
+  XMLHttpRequestStringWriterHelper helper(mResponseText);
+
+  if (!helper.AddCapacity(destBufferLen)) {
     return NS_ERROR_OUT_OF_MEMORY;
   }
 
-  char16_t* destBuffer = mResponseText.BeginWriting() + mResponseText.Length();
-
-  CheckedInt32 totalChars = mResponseText.Length();
-
   // This code here is basically a copy of a similar thing in
   // nsScanner::Append(const char* aBuffer, uint32_t aLen).
   int32_t srclen = (int32_t)aSrcBufferLen;
   int32_t destlen = (int32_t)destBufferLen;
   rv = mDecoder->Convert(aSrcBuffer,
                          &srclen,
-                         destBuffer,
+                         helper.EndOfExistingData(),
                          &destlen);
   MOZ_ASSERT(NS_SUCCEEDED(rv));
+  MOZ_ASSERT(destlen <= destBufferLen);
 
-  totalChars += destlen;
-  if (!totalChars.isValid()) {
-    return NS_ERROR_OUT_OF_MEMORY;
-  }
-
-  mResponseText.SetLength(totalChars.value());
+  helper.AddLength(destlen);
   return NS_OK;
 }
 
@@ -571,9 +566,7 @@ NS_IMETHODIMP
 XMLHttpRequestMainThread::GetResponseText(nsAString& aResponseText)
 {
   ErrorResult rv;
-  nsString responseText;
-  GetResponseText(responseText, rv);
-  aResponseText = responseText;
+  GetResponseText(aResponseText, rv);
   return rv.StealNSResult();
 }
 
@@ -581,7 +574,20 @@ void
 XMLHttpRequestMainThread::GetResponseText(nsAString& aResponseText,
                                           ErrorResult& aRv)
 {
-  aResponseText.Truncate();
+  XMLHttpRequestStringSnapshot snapshot;
+  GetResponseText(snapshot, aRv);
+  if (aRv.Failed()) {
+    return;
+  }
+
+  snapshot.GetAsString(aResponseText);
+}
+
+void
+XMLHttpRequestMainThread::GetResponseText(XMLHttpRequestStringSnapshot& aSnapshot,
+                                          ErrorResult& aRv)
+{
+  aSnapshot.Reset();
 
   if (mResponseType != XMLHttpRequestResponseType::_empty &&
       mResponseType != XMLHttpRequestResponseType::Text &&
@@ -592,7 +598,7 @@ XMLHttpRequestMainThread::GetResponseText(nsAString& aResponseText,
 
   if (mResponseType == XMLHttpRequestResponseType::Moz_chunked_text &&
       !mInLoadProgressEvent) {
-    aResponseText.SetIsVoid(true);
+    aSnapshot.SetVoid();
     return;
   }
 
@@ -605,7 +611,7 @@ XMLHttpRequestMainThread::GetResponseText(nsAString& aResponseText,
   // more.
   if ((!mResponseXML && !mErrorParsingXML) ||
       mResponseBodyDecodedPos == mResponseBody.Length()) {
-    aResponseText = mResponseText;
+    mResponseText.CreateSnapshot(aSnapshot);
     return;
   }
 
@@ -627,7 +633,7 @@ XMLHttpRequestMainThread::GetResponseText(nsAString& aResponseText,
     mResponseBodyDecodedPos = 0;
   }
 
-  aResponseText = mResponseText;
+  mResponseText.CreateSnapshot(aSnapshot);
 }
 
 nsresult
@@ -637,11 +643,12 @@ XMLHttpRequestMainThread::CreateResponseParsedJSON(JSContext* aCx)
     return NS_ERROR_FAILURE;
   }
 
+  nsAutoString string;
+  mResponseText.GetAsString(string);
+
   // The Unicode converter has already zapped the BOM if there was one
   JS::Rooted<JS::Value> value(aCx);
-  if (!JS_ParseJSON(aCx,
-                    static_cast<const char16_t*>(mResponseText.get()), mResponseText.Length(),
-                    &value)) {
+  if (!JS_ParseJSON(aCx, string.BeginReading(), string.Length(), &value)) {
     return NS_ERROR_FAILURE;
   }
 
@@ -749,7 +756,7 @@ XMLHttpRequestMainThread::GetResponse(JSContext* aCx,
   case XMLHttpRequestResponseType::Text:
   case XMLHttpRequestResponseType::Moz_chunked_text:
   {
-    nsString str;
+    nsAutoString str;
     aRv = GetResponseText(str);
     if (aRv.Failed()) {
       return;
@@ -823,7 +830,7 @@ XMLHttpRequestMainThread::GetResponse(JSContext* aCx,
 
     if (mResultJSON.isUndefined()) {
       aRv = CreateResponseParsedJSON(aCx);
-      mResponseText.Truncate();
+      TruncateResponseText();
       if (aRv.Failed()) {
         // Per spec, errors aren't propagated. null is returned instead.
         aRv = NS_OK;
@@ -1332,7 +1339,7 @@ XMLHttpRequestMainThread::DispatchProgressEvent(DOMEventTargetHelper* aTarget,
     if (mResponseType == XMLHttpRequestResponseType::Moz_chunked_text ||
         mResponseType == XMLHttpRequestResponseType::Moz_chunked_arraybuffer) {
       mResponseBody.Truncate();
-      mResponseText.Truncate();
+      TruncateResponseText();
       mResultArrayBuffer = nullptr;
       mArrayBufferBuilder.reset();
     }
@@ -1691,6 +1698,7 @@ XMLHttpRequestMainThread::OnDataAvailable(nsIRequest *request,
   MOZ_ASSERT(mContext.get() == ctxt,"start context different from OnDataAvailable context");
 
   mProgressSinceLastProgressEvent = true;
+  XMLHttpRequestBinding::ClearCachedResponseTextValue(this);
 
   bool cancelable = false;
   if ((mResponseType == XMLHttpRequestResponseType::Blob ||
@@ -2145,7 +2153,7 @@ XMLHttpRequestMainThread::MatchCharsetAndDecoderToResponseDocument()
 {
   if (mResponseXML && mResponseCharset != mResponseXML->GetDocumentCharacterSet()) {
     mResponseCharset = mResponseXML->GetDocumentCharacterSet();
-    mResponseText.Truncate();
+    TruncateResponseText();
     mResponseBodyDecodedPos = 0;
     mDecoder = EncodingUtils::DecoderForEncoding(mResponseCharset);
   }
@@ -3537,6 +3545,13 @@ XMLHttpRequestMainThread::ShouldBlockAuthPrompt()
   return false;
 }
 
+void
+XMLHttpRequestMainThread::TruncateResponseText()
+{
+  mResponseText.Truncate();
+  XMLHttpRequestBinding::ClearCachedResponseTextValue(this);
+}
+
 NS_IMPL_ISUPPORTS(XMLHttpRequestMainThread::nsHeaderVisitor, nsIHttpHeaderVisitor)
 
 NS_IMETHODIMP XMLHttpRequestMainThread::

dom/xhr/XMLHttpRequestMainThread.h

@@ -38,6 +38,7 @@
 #include "mozilla/dom/XMLHttpRequest.h"
 #include "mozilla/dom/XMLHttpRequestBinding.h"
 #include "mozilla/dom/XMLHttpRequestEventTarget.h"
+#include "mozilla/dom/XMLHttpRequestString.h"
 
 #ifdef Status
 /* Xlib headers insist on this for some reason... Nuke it because
@@ -469,6 +470,10 @@ public:
   virtual void
   GetResponseText(nsAString& aResponseText, ErrorResult& aRv) override;
 
+  void
+  GetResponseText(XMLHttpRequestStringSnapshot& aSnapshot,
+                  ErrorResult& aRv);
+
   virtual nsIDocument*
   GetResponseXML(ErrorResult& aRv) override;
 
@@ -573,6 +578,8 @@ protected:
   already_AddRefed<nsIHttpChannel> GetCurrentHttpChannel();
   already_AddRefed<nsIJARChannel> GetCurrentJARChannel();
 
+  void TruncateResponseText();
+
   bool IsSystemXHR() const;
   bool InUploadPhase() const;
 
@@ -628,7 +635,7 @@ protected:
   // lazily decode into this from mResponseBody only when .responseText is
   // accessed.
   // Only used for DEFAULT and TEXT responseTypes.
-  nsString mResponseText;
+  XMLHttpRequestString mResponseText;
 
   // For DEFAULT responseType we use this to keep track of how far we've
   // lazily decoded from mResponseBody to mResponseText

dom/xhr/XMLHttpRequestString.cpp

@@ -0,0 +1,254 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "XMLHttpRequestString.h"
+#include "mozilla/Mutex.h"
+#include "nsISupportsImpl.h"
+
+namespace mozilla {
+namespace dom {
+
+class XMLHttpRequestStringBuffer final
+{
+  friend class XMLHttpRequestStringWriterHelper;
+  friend class XMLHttpRequestStringSnapshotReaderHelper;
+
+public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(XMLHttpRequestStringBuffer)
+  NS_DECL_OWNINGTHREAD
+
+  XMLHttpRequestStringBuffer()
+    : mMutex("XMLHttpRequestStringBuffer::mMutex")
+  {
+  }
+
+  uint32_t
+  Length()
+  {
+    MutexAutoLock lock(mMutex);
+    return mData.Length();
+  }
+
+  uint32_t
+  UnsafeLength() const
+  {
+    return mData.Length();
+  }
+
+  void
+  Append(const nsAString& aString)
+  {
+    NS_ASSERT_OWNINGTHREAD(XMLHttpRequestStringBuffer);
+
+    MutexAutoLock lock(mMutex);
+    mData.Append(aString);
+  }
+
+  void
+  GetAsString(nsAString& aString)
+  {
+    MutexAutoLock lock(mMutex);
+    aString = mData;
+  }
+
+  size_t
+  SizeOfThis(MallocSizeOf aMallocSizeOf) const
+  {
+    return mData.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
+  }
+
+  void
+  GetAsString(nsAString& aString, uint32_t aLength)
+  {
+    MutexAutoLock lock(mMutex);
+    MOZ_ASSERT(aLength <= mData.Length());
+    aString.Assign(mData.BeginReading(), aLength);
+  }
+
+  void
+  CreateSnapshot(XMLHttpRequestStringSnapshot& aSnapshot)
+  {
+    MutexAutoLock lock(mMutex);
+    aSnapshot.Set(this, mData.Length());
+  }
+
+private:
+  ~XMLHttpRequestStringBuffer()
+  {}
+
+  nsString& UnsafeData()
+  {
+    return mData;
+  }
+
+  Mutex mMutex;
+
+  // The following member variable is protected by mutex.
+  nsString mData;
+};
+
+// ---------------------------------------------------------------------------
+// XMLHttpRequestString
+
+XMLHttpRequestString::XMLHttpRequestString()
+  : mBuffer(new XMLHttpRequestStringBuffer())
+{
+}
+
+XMLHttpRequestString::~XMLHttpRequestString()
+{
+}
+
+void
+XMLHttpRequestString::Truncate()
+{
+  mBuffer = new XMLHttpRequestStringBuffer();
+}
+
+uint32_t
+XMLHttpRequestString::Length() const
+{
+  return mBuffer->Length();
+}
+
+void
+XMLHttpRequestString::Append(const nsAString& aString)
+{
+  mBuffer->Append(aString);
+}
+
+void
+XMLHttpRequestString::GetAsString(nsAString& aString) const
+{
+  return mBuffer->GetAsString(aString);
+}
+
+size_t
+XMLHttpRequestString::SizeOfThis(MallocSizeOf aMallocSizeOf) const
+{
+  return mBuffer->SizeOfThis(aMallocSizeOf);
+}
+
+bool
+XMLHttpRequestString::IsEmpty() const
+{
+  return !mBuffer->Length();
+}
+
+void
+XMLHttpRequestString::CreateSnapshot(XMLHttpRequestStringSnapshot& aSnapshot)
+{
+  mBuffer->CreateSnapshot(aSnapshot);
+}
+
+// ---------------------------------------------------------------------------
+// XMLHttpRequestStringSnapshot
+
+XMLHttpRequestStringSnapshot::XMLHttpRequestStringSnapshot()
+  : mLength(0)
+  , mVoid(false)
+{
+}
+
+XMLHttpRequestStringSnapshot::~XMLHttpRequestStringSnapshot()
+{
+}
+
+XMLHttpRequestStringSnapshot&
+XMLHttpRequestStringSnapshot::operator=(const XMLHttpRequestStringSnapshot& aOther)
+{
+  mBuffer = aOther.mBuffer;
+  mLength = aOther.mLength;
+  mVoid = aOther.mVoid;
+  return *this;
+}
+
+void
+XMLHttpRequestStringSnapshot::ResetInternal(bool aIsVoid)
+{
+  mBuffer = nullptr;
+  mLength = 0;
+  mVoid = aIsVoid;
+}
+
+void
+XMLHttpRequestStringSnapshot::Set(XMLHttpRequestStringBuffer* aBuffer,
+                                  uint32_t aLength)
+{
+  MOZ_ASSERT(aBuffer);
+  MOZ_ASSERT(aLength <= aBuffer->UnsafeLength());
+
+  mBuffer = aBuffer;
+  mLength = aLength;
+  mVoid = false;
+}
+
+void
+XMLHttpRequestStringSnapshot::GetAsString(nsAString& aString) const
+{
+  if (mBuffer) {
+    MOZ_ASSERT(!mVoid);
+    mBuffer->GetAsString(aString, mLength);
+    return;
+  }
+
+  aString.Truncate();
+
+  if (mVoid) {
+    aString.SetIsVoid(true);
+  }
+}
+
+// ---------------------------------------------------------------------------
+// XMLHttpRequestStringWriterHelper
+
+XMLHttpRequestStringWriterHelper::XMLHttpRequestStringWriterHelper(XMLHttpRequestString& aString)
+  : mBuffer(aString.mBuffer)
+  , mLock(aString.mBuffer->mMutex)
+{
+}
+
+bool
+XMLHttpRequestStringWriterHelper::AddCapacity(int32_t aCapacity)
+{
+  return mBuffer->UnsafeData().SetCapacity(mBuffer->UnsafeLength() + aCapacity, fallible);
+}
+
+char16_t*
+XMLHttpRequestStringWriterHelper::EndOfExistingData()
+{
+  return mBuffer->UnsafeData().BeginWriting() + mBuffer->UnsafeLength();
+}
+
+void
+XMLHttpRequestStringWriterHelper::AddLength(int32_t aLength)
+{
+  mBuffer->UnsafeData().SetLength(mBuffer->UnsafeLength() + aLength);
+}
+
+// ---------------------------------------------------------------------------
+// XMLHttpRequestStringReaderHelper
+
+XMLHttpRequestStringSnapshotReaderHelper::XMLHttpRequestStringSnapshotReaderHelper(XMLHttpRequestStringSnapshot& aSnapshot)
+  : mBuffer(aSnapshot.mBuffer)
+  , mLock(aSnapshot.mBuffer->mMutex)
+{
+}
+
+const char16_t*
+XMLHttpRequestStringSnapshotReaderHelper::Buffer() const
+{
+  return mBuffer->UnsafeData().BeginReading();
+}
+
+uint32_t
+XMLHttpRequestStringSnapshotReaderHelper::Length() const
+{
+  return mBuffer->UnsafeLength();
+}
+
+} // dom namespace
+} // mozilla namespace

dom/xhr/XMLHttpRequestString.h

@@ -0,0 +1,160 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_XMLHttpRequestString_h
+#define mozilla_dom_XMLHttpRequestString_h
+
+#include "nsString.h"
+
+namespace mozilla {
+
+class Mutex;
+
+namespace dom {
+
+class XMLHttpRequestStringBuffer;
+class XMLHttpRequestStringSnapshot;
+class XMLHttpRequestStringWriterHelper;
+class XMLHttpRequestStringSnapshotReaderHelper;
+
+// We want to avoid the dup of strings when XHR in workers has access to
+// responseText for events dispatched during the loading state. For this reason
+// we use this class, able to create snapshots of the current size of itself
+// without making extra copies.
+class XMLHttpRequestString final
+{
+  friend class XMLHttpRequestStringWriterHelper;
+
+public:
+  XMLHttpRequestString();
+  ~XMLHttpRequestString();
+
+  void Truncate();
+
+  uint32_t Length() const;
+
+  void Append(const nsAString& aString);
+
+  // This method should be called only when the string is really needed because
+  // it can cause the duplication of the strings in case the loading of the XHR
+  // is not completed yet.
+  void GetAsString(nsAString& aString) const;
+
+  size_t SizeOfThis(MallocSizeOf aMallocSizeOf) const;
+
+  const char16_t* Data() const;
+
+  bool IsEmpty() const;
+
+  void CreateSnapshot(XMLHttpRequestStringSnapshot& aSnapshot);
+
+private:
+  XMLHttpRequestString(const XMLHttpRequestString&) = delete;
+  XMLHttpRequestString& operator=(const XMLHttpRequestString&) = delete;
+  XMLHttpRequestString& operator=(const XMLHttpRequestString&&) = delete;
+
+  RefPtr<XMLHttpRequestStringBuffer> mBuffer;
+};
+
+// This class locks the buffer and allows the callee to write data into it.
+class MOZ_STACK_CLASS XMLHttpRequestStringWriterHelper final
+{
+public:
+  explicit XMLHttpRequestStringWriterHelper(XMLHttpRequestString& aString);
+
+  bool
+  AddCapacity(int32_t aCapacity);
+
+  char16_t*
+  EndOfExistingData();
+
+  void
+  AddLength(int32_t aLength);
+
+private:
+  XMLHttpRequestStringWriterHelper(const XMLHttpRequestStringWriterHelper&) = delete;
+  XMLHttpRequestStringWriterHelper& operator=(const XMLHttpRequestStringWriterHelper&) = delete;
+  XMLHttpRequestStringWriterHelper& operator=(const XMLHttpRequestStringWriterHelper&&) = delete;
+
+  RefPtr<XMLHttpRequestStringBuffer> mBuffer;
+  MutexAutoLock mLock;
+};
+
+// This class is the internal XMLHttpRequestStringBuffer of the
+// XMLHttpRequestString plus the current length. GetAsString will return the
+// string with that particular length also if the XMLHttpRequestStringBuffer is
+// grown in the meantime.
+class XMLHttpRequestStringSnapshot final
+{
+  friend class XMLHttpRequestStringBuffer;
+  friend class XMLHttpRequestStringSnapshotReaderHelper;
+
+public:
+  XMLHttpRequestStringSnapshot();
+  ~XMLHttpRequestStringSnapshot();
+
+  XMLHttpRequestStringSnapshot& operator=(const XMLHttpRequestStringSnapshot&);
+
+  void Reset()
+  {
+    ResetInternal(false /* isVoid */);
+  }
+
+  void SetVoid()
+  {
+    ResetInternal(true /* isVoid */);
+  }
+
+  bool IsVoid() const
+  {
+    return mVoid;
+  }
+
+  bool IsEmpty() const
+  {
+    return !mLength;
+  }
+
+  void GetAsString(nsAString& aString) const;
+
+private:
+  XMLHttpRequestStringSnapshot(const XMLHttpRequestStringSnapshot&) = delete;
+  XMLHttpRequestStringSnapshot& operator=(const XMLHttpRequestStringSnapshot&&) = delete;
+
+  void Set(XMLHttpRequestStringBuffer* aBuffer, uint32_t aLength);
+
+  void ResetInternal(bool aIsVoid);
+
+  RefPtr<XMLHttpRequestStringBuffer> mBuffer;
+  uint32_t mLength;
+  bool mVoid;
+};
+
+// This class locks the buffer and allows the callee to read data from it.
+class MOZ_STACK_CLASS XMLHttpRequestStringSnapshotReaderHelper final
+{
+public:
+  explicit XMLHttpRequestStringSnapshotReaderHelper(XMLHttpRequestStringSnapshot& aSnapshot);
+
+  const char16_t*
+  Buffer() const;
+
+  uint32_t
+  Length() const;
+
+private:
+  XMLHttpRequestStringSnapshotReaderHelper(const XMLHttpRequestStringSnapshotReaderHelper&) = delete;
+  XMLHttpRequestStringSnapshotReaderHelper& operator=(const XMLHttpRequestStringSnapshotReaderHelper&) = delete;
+  XMLHttpRequestStringSnapshotReaderHelper& operator=(const XMLHttpRequestStringSnapshotReaderHelper&&) = delete;
+
+  RefPtr<XMLHttpRequestStringBuffer> mBuffer;
+  MutexAutoLock mLock;
+};
+
+} // dom namespace
+} // mozilla namespace
+
+#endif // mozilla_dom_XMLHttpRequestString_h

dom/xhr/XMLHttpRequestWorker.cpp

@@ -476,7 +476,7 @@ class EventRunnable final : public MainThreadProxyRunnable
   nsString mType;
   nsString mResponseType;
   JS::Heap<JS::Value> mResponse;
-  nsString mResponseText;
+  XMLHttpRequestStringSnapshot mResponseText;
   nsString mResponseURL;
   nsCString mStatusText;
   uint64_t mLoaded;
@@ -1129,7 +1129,10 @@ EventRunnable::PreDispatch(WorkerPrivate* /* unused */)
     MOZ_ASSERT(false, "This should never fail!");
   }
 
-  mResponseTextResult = xhr->GetResponseText(mResponseText);
+  ErrorResult rv;
+  xhr->GetResponseText(mResponseText, rv);
+  mResponseTextResult = rv.StealNSResult();
+
   if (NS_SUCCEEDED(mResponseTextResult)) {
     mResponseResult = mResponseTextResult;
     if (mResponseText.IsVoid()) {
@@ -1172,7 +1175,6 @@ EventRunnable::PreDispatch(WorkerPrivate* /* unused */)
         }
 
         if (doClone) {
-          ErrorResult rv;
           Write(cx, response, transferable, rv);
           if (NS_WARN_IF(rv.Failed())) {
             NS_WARNING("Failed to clone response!");
@@ -1186,7 +1188,6 @@ EventRunnable::PreDispatch(WorkerPrivate* /* unused */)
 
   mStatusResult = xhr->GetStatus(&mStatus);
 
-  ErrorResult rv;
   xhr->GetStatusText(mStatusText, rv);
   MOZ_ASSERT(!rv.Failed());
 
@@ -1261,6 +1262,7 @@ EventRunnable::WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate)
   JS::Rooted<UniquePtr<XMLHttpRequestWorker::StateData>> state(aCx, new XMLHttpRequestWorker::StateData());
 
   state->mResponseTextResult = mResponseTextResult;
+
   state->mResponseText = mResponseText;
 
   if (NS_SUCCEEDED(mResponseTextResult)) {
@@ -2390,10 +2392,11 @@ XMLHttpRequestWorker::GetResponse(JSContext* /* unused */,
       mStateData.mResponse =
         JS_GetEmptyStringValue(mWorkerPrivate->GetJSContext());
     } else {
+      XMLHttpRequestStringSnapshotReaderHelper helper(mStateData.mResponseText);
+
       JSString* str =
         JS_NewUCStringCopyN(mWorkerPrivate->GetJSContext(),
-                            mStateData.mResponseText.get(),
-                            mStateData.mResponseText.Length());
+                            helper.Buffer(), helper.Length());
 
       if (!str) {
         aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
@@ -2413,7 +2416,13 @@ void
 XMLHttpRequestWorker::GetResponseText(nsAString& aResponseText, ErrorResult& aRv)
 {
   aRv = mStateData.mResponseTextResult;
-  aResponseText = mStateData.mResponseText;
+  if (aRv.Failed()) {
+    return;
+  }
+
+  nsAutoString foo;
+  mStateData.mResponseText.GetAsString(foo);
+  aResponseText.Assign(foo.BeginReading(), foo.Length());
 }
 
 void
@@ -2432,6 +2441,8 @@ XMLHttpRequestWorker::UpdateState(const StateData& aStateData,
   else {
     mStateData = aStateData;
   }
+
+  XMLHttpRequestBinding::ClearCachedResponseTextValue(this);
 }
 
 } // dom namespace

dom/xhr/XMLHttpRequestWorker.h

@@ -9,6 +9,7 @@
 
 #include "WorkerHolder.h"
 #include "XMLHttpRequest.h"
+#include "XMLHttpRequestString.h"
 #include "mozilla/dom/TypedArray.h"
 
 namespace mozilla {
@@ -27,7 +28,7 @@ class XMLHttpRequestWorker final : public XMLHttpRequest,
 public:
   struct StateData
   {
-    nsString mResponseText;
+    XMLHttpRequestStringSnapshot mResponseText;
     nsString mResponseURL;
     uint32_t mStatus;
     nsCString mStatusText;
@@ -266,7 +267,7 @@ public:
   void
   NullResponseText()
   {
-    mStateData.mResponseText.SetIsVoid(true);
+    mStateData.mResponseText.SetVoid();
     mStateData.mResponse.setNull();
   }
 

dom/xhr/moz.build

@@ -14,6 +14,7 @@ EXPORTS.mozilla.dom += [
     'XMLHttpRequest.h',
     'XMLHttpRequestEventTarget.h',
     'XMLHttpRequestMainThread.h',
+    'XMLHttpRequestString.h',
     'XMLHttpRequestUpload.h',
 ]
 
@@ -21,6 +22,7 @@ UNIFIED_SOURCES += [
     'XMLHttpRequest.cpp',
     'XMLHttpRequestEventTarget.cpp',
     'XMLHttpRequestMainThread.cpp',
+    'XMLHttpRequestString.cpp',
     'XMLHttpRequestUpload.cpp',
     'XMLHttpRequestWorker.cpp',
 ]

gfx/layers/apz/test/mochitest/test_bug1277814.html

@@ -17,15 +17,27 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=1277814
       var subframe = document.getElementById('bug1277814-div');
       subframe.classList.add('a');
 
+      // The transform change is animated, so let's step through 1s of animation
+      var utils = SpecialPowers.getDOMWindowUtils(window);
+      for (var i = 0; i < 60; i++) {
+        utils.advanceTimeAndRefresh(16);
+      }
+      utils.restoreNormalRefresh();
+
+      // Wait for the layer tree with any updated dispatch-to-content region to
+      // get pushed over to the APZ
+      yield waitForAllPaints(function() {
+        flushApzRepaints(testDriver);
+      });
+
       // Trigger layerization of the subframe by scrolling the wheel over it
-      moveMouseAndScrollWheelOver(subframe, 10, 10, testDriver);
+      yield moveMouseAndScrollWheelOver(subframe, 10, 10, testDriver);
 
       // Give APZ the chance to compute a displayport, and content
       // to render based on it.
       yield waitForApzFlushedRepaints(testDriver);
 
       // Examine the content-side APZ test data
-      var utils = SpecialPowers.getDOMWindowUtils(window);
       var contentTestData = utils.getContentAPZTestData();
 
       // Test that the scroll frame for the div 'bug1277814-div' appears in

layout/style/nsAnimationManager.h

@@ -137,6 +137,10 @@ public:
   void SetAnimationIndex(uint64_t aIndex)
   {
     MOZ_ASSERT(IsTiedToMarkup());
+    if (IsRelevant() &&
+        mAnimationIndex != aIndex) {
+      nsNodeUtils::AnimationChanged(this);
+    }
     mAnimationIndex = aIndex;
   }
 

layout/style/nsCSSValue.cpp

@@ -318,19 +318,20 @@ bool nsCSSValue::operator==(const nsCSSValue& aOther) const
   return false;
 }
 
-double nsCSSValue::GetAngleValueInRadians() const
+double
+nsCSSValue::GetAngleValueInRadians() const
 {
   double angle = GetFloatValue();
 
   switch (GetUnit()) {
-  case eCSSUnit_Radian: return angle;
-  case eCSSUnit_Turn:   return angle * 2 * M_PI;
-  case eCSSUnit_Degree: return angle * M_PI / 180.0;
-  case eCSSUnit_Grad:   return angle * M_PI / 200.0;
+    case eCSSUnit_Radian: return angle;
+    case eCSSUnit_Turn:   return angle * 2 * M_PI;
+    case eCSSUnit_Degree: return angle * M_PI / 180.0;
+    case eCSSUnit_Grad:   return angle * M_PI / 200.0;
 
-  default:
-    MOZ_ASSERT(false, "unrecognized angular unit");
-    return 0.0;
+    default:
+      MOZ_ASSERT(false, "unrecognized angular unit");
+      return 0.0;
   }
 }
 

nsprpub/TAG-INFO

@@ -1 +1 @@
-NSPR_4_13_BETA2
+NSPR_4_13_BETA3

nsprpub/config/prdepend.h

@@ -10,3 +10,4 @@
  */
 
 #error "Do not include this header file."
+

nsprpub/pr/src/pthreads/ptio.c

@@ -3338,6 +3338,7 @@ static PRFileDesc *pt_SetMethods(
             case PR_DESC_PIPE:
                 fd->methods = PR_GetPipeMethods();
                 pt_MakeFdNonblock(osfd);
+                fd->secret->nonblocking = PR_TRUE;
                 break;
             default:
                 break;

testing/marionette/client/marionette_driver/transport.py

@@ -119,7 +119,7 @@ class TcpTransport(object):
     """
     max_packet_length = 4096
 
-    def __init__(self, addr, port, socket_timeout=360.0):
+    def __init__(self, addr, port, socket_timeout=60.0):
         """If `socket_timeout` is `0` or `0.0`, non-blocking socket mode
         will be used.  Setting it to `1` or `None` disables timeouts on
         socket operations altogether.

testing/marionette/harness/marionette/runner/base.py

@@ -243,7 +243,7 @@ class MarionetteTextTestRunner(StructuredTestRunner):
 
 
 class BaseMarionetteArguments(ArgumentParser):
-    socket_timeout_default = 360.0
+    socket_timeout_default = 60.0
 
     def __init__(self, **kwargs):
         ArgumentParser.__init__(self, **kwargs)

testing/marionette/harness/marionette/tests/harness_unit/conftest.py

@@ -68,7 +68,7 @@ def mach_parsed_kwargs(logger):
         'server_root': None,
         'shuffle': False,
         'shuffle_seed': 2276870381009474531,
-        'socket_timeout': 360.0,
+        'socket_timeout': 60.0,
         'sources': None,
         'startup_timeout': 60,
         'symbols_path': None,

testing/talos/talos/startup_test/tpaint.html

@@ -42,9 +42,14 @@ function scheduleNextWindow() {
 }
 
 function calcMedian( numbers ) {
-  numbers.sort( function (a,b){ return a-b; } );
-  var n = Math.floor( numbers.length / 2 );
-  return numbers.length % 2 ? numbers[n] : ( numbers[n-1] + numbers[n] ) / 2;
+  // Avoid changing the original array.
+  var sortedNumbers = Array.from(numbers);
+  sortedNumbers.sort( function (a,b){ return a-b; } );
+  var n = Math.floor( sortedNumbers.length / 2 );
+  if (sortedNumbers.length % 2) {
+    return sortedNumbers[n];
+  }
+  return ( sortedNumbers[n-1] + sortedNumbers[n] ) / 2;
 }
 
 function reportTimes() {

widget/InputData.cpp

@@ -16,6 +16,49 @@ namespace mozilla {
 
 using namespace dom;
 
+InputData::InputData(InputType aInputType)
+  : mInputType(aInputType)
+  , mTime(0)
+  , modifiers(0)
+{
+}
+
+InputData::InputData(InputType aInputType, uint32_t aTime, TimeStamp aTimeStamp,
+                     Modifiers aModifiers)
+  : mInputType(aInputType)
+  , mTime(aTime)
+  , mTimeStamp(aTimeStamp)
+  , modifiers(aModifiers)
+{
+}
+
+SingleTouchData::SingleTouchData(int32_t aIdentifier, ScreenIntPoint aScreenPoint,
+                                 ScreenSize aRadius, float aRotationAngle,
+                                 float aForce)
+  : mIdentifier(aIdentifier)
+  , mScreenPoint(aScreenPoint)
+  , mRadius(aRadius)
+  , mRotationAngle(aRotationAngle)
+  , mForce(aForce)
+{
+}
+
+SingleTouchData::SingleTouchData(int32_t aIdentifier,
+                                 ParentLayerPoint aLocalScreenPoint,
+                                 ScreenSize aRadius, float aRotationAngle,
+                                 float aForce)
+  : mIdentifier(aIdentifier)
+  , mLocalScreenPoint(aLocalScreenPoint)
+  , mRadius(aRadius)
+  , mRotationAngle(aRotationAngle)
+  , mForce(aForce)
+{
+}
+
+SingleTouchData::SingleTouchData()
+{
+}
+
 already_AddRefed<Touch> SingleTouchData::ToNewDOMTouch() const
 {
   MOZ_ASSERT(NS_IsMainThread(),
@@ -28,147 +71,26 @@ already_AddRefed<Touch> SingleTouchData::ToNewDOMTouch() const
   return touch.forget();
 }
 
-MouseInput::MouseInput(const WidgetMouseEventBase& aMouseEvent)
-  : InputData(MOUSE_INPUT, aMouseEvent.mTime, aMouseEvent.mTimeStamp,
-              aMouseEvent.mModifiers)
-  , mType(MOUSE_NONE)
-  , mButtonType(NONE)
-  , mInputSource(aMouseEvent.inputSource)
-  , mButtons(aMouseEvent.buttons)
-  , mHandledByAPZ(aMouseEvent.mFlags.mHandledByAPZ)
+MultiTouchInput::MultiTouchInput(MultiTouchType aType, uint32_t aTime,
+                                 TimeStamp aTimeStamp, Modifiers aModifiers)
+  : InputData(MULTITOUCH_INPUT, aTime, aTimeStamp, aModifiers)
+  , mType(aType)
+  , mHandledByAPZ(false)
 {
-  MOZ_ASSERT(NS_IsMainThread(),
-             "Can only copy from WidgetTouchEvent on main thread");
-
-  mButtonType = NONE;
-
-  switch (aMouseEvent.button) {
-    case WidgetMouseEventBase::eLeftButton:
-      mButtonType = MouseInput::LEFT_BUTTON;
-      break;
-    case WidgetMouseEventBase::eMiddleButton:
-      mButtonType = MouseInput::MIDDLE_BUTTON;
-      break;
-    case WidgetMouseEventBase::eRightButton:
-      mButtonType = MouseInput::RIGHT_BUTTON;
-      break;
-  }
-
-  switch (aMouseEvent.mMessage) {
-    case eMouseMove:
-      mType = MOUSE_MOVE;
-      break;
-    case eMouseUp:
-      mType = MOUSE_UP;
-      break;
-    case eMouseDown:
-      mType = MOUSE_DOWN;
-      break;
-    case eDragStart:
-      mType = MOUSE_DRAG_START;
-      break;
-    case eDragEnd:
-      mType = MOUSE_DRAG_END;
-      break;
-    case eMouseEnterIntoWidget:
-      mType = MOUSE_WIDGET_ENTER;
-      break;
-    case eMouseExitFromWidget:
-      mType = MOUSE_WIDGET_EXIT;
-      break;
-    default:
-      MOZ_ASSERT_UNREACHABLE("Mouse event type not supported");
-      break;
-  }
-
-  mOrigin =
-    ScreenPoint(ViewAs<ScreenPixel>(aMouseEvent.mRefPoint,
-      PixelCastJustification::LayoutDeviceIsScreenForUntransformedEvent));
 }
 
-bool
-MouseInput::TransformToLocal(const ScreenToParentLayerMatrix4x4& aTransform)
+MultiTouchInput::MultiTouchInput()
+  : InputData(MULTITOUCH_INPUT)
+  , mHandledByAPZ(false)
 {
-  Maybe<ParentLayerPoint> point = UntransformBy(aTransform, mOrigin);
-  if (!point) {
-    return false;
-  }
-  mLocalOrigin = *point;
-
-  return true;
 }
 
-WidgetMouseEvent
-MouseInput::ToWidgetMouseEvent(nsIWidget* aWidget) const
+MultiTouchInput::MultiTouchInput(const MultiTouchInput& aOther)
+  : InputData(MULTITOUCH_INPUT, aOther.mTime, aOther.mTimeStamp, aOther.modifiers)
+  , mType(aOther.mType)
+  , mHandledByAPZ(aOther.mHandledByAPZ)
 {
-  MOZ_ASSERT(NS_IsMainThread(),
-             "Can only convert To WidgetTouchEvent on main thread");
-
-  EventMessage msg = eVoidEvent;
-  uint32_t clickCount = 0;
-  switch (mType) {
-    case MOUSE_MOVE:
-      msg = eMouseMove;
-      break;
-    case MOUSE_UP:
-      msg = eMouseUp;
-      clickCount = 1;
-      break;
-    case MOUSE_DOWN:
-      msg = eMouseDown;
-      clickCount = 1;
-      break;
-    case MOUSE_DRAG_START:
-      msg = eDragStart;
-      break;
-    case MOUSE_DRAG_END:
-      msg = eDragEnd;
-      break;
-    case MOUSE_WIDGET_ENTER:
-      msg = eMouseEnterIntoWidget;
-      break;
-    case MOUSE_WIDGET_EXIT:
-      msg = eMouseExitFromWidget;
-      break;
-    default:
-      MOZ_ASSERT_UNREACHABLE("Did not assign a type to WidgetMouseEvent in MouseInput");
-      break;
-  }
-
-  WidgetMouseEvent event(true, msg, aWidget, WidgetMouseEvent::eReal, WidgetMouseEvent::eNormal);
-
-  if (msg == eVoidEvent) {
-    return event;
-  }
-
-  switch (mButtonType) {
-    case MouseInput::LEFT_BUTTON:
-      event.button = WidgetMouseEventBase::eLeftButton;
-      break;
-    case MouseInput::MIDDLE_BUTTON:
-      event.button = WidgetMouseEventBase::eMiddleButton;
-      break;
-    case MouseInput::RIGHT_BUTTON:
-      event.button = WidgetMouseEventBase::eRightButton;
-      break;
-    case MouseInput::NONE:
-    default:
-      break;
-  }
-
-  event.buttons = mButtons;
-  event.mModifiers = modifiers;
-  event.mTime = mTime;
-  event.mTimeStamp = mTimeStamp;
-  event.mFlags.mHandledByAPZ = mHandledByAPZ;
-  event.mRefPoint =
-    RoundedToInt(ViewAs<LayoutDevicePixel>(mOrigin,
-      PixelCastJustification::LayoutDeviceIsScreenForUntransformedEvent));
-  event.mClickCount = clickCount;
-  event.inputSource = mInputSource;
-  event.mIgnoreRootScrollFrame = true;
-
-  return event;
+  mTouches.AppendElements(aOther.mTouches);
 }
 
 MultiTouchInput::MultiTouchInput(const WidgetTouchEvent& aTouchEvent)
@@ -218,6 +140,43 @@ MultiTouchInput::MultiTouchInput(const WidgetTouchEvent& aTouchEvent)
   }
 }
 
+MultiTouchInput::MultiTouchInput(const WidgetMouseEvent& aMouseEvent)
+  : InputData(MULTITOUCH_INPUT, aMouseEvent.mTime, aMouseEvent.mTimeStamp,
+              aMouseEvent.mModifiers)
+  , mHandledByAPZ(aMouseEvent.mFlags.mHandledByAPZ)
+{
+  MOZ_ASSERT(NS_IsMainThread(),
+             "Can only copy from WidgetMouseEvent on main thread");
+  switch (aMouseEvent.mMessage) {
+  case eMouseDown:
+    mType = MULTITOUCH_START;
+    break;
+  case eMouseMove:
+    mType = MULTITOUCH_MOVE;
+    break;
+  case eMouseUp:
+    mType = MULTITOUCH_END;
+    break;
+  // The mouse pointer has been interrupted in an implementation-specific
+  // manner, such as a synchronous event or action cancelling the touch, or a
+  // touch point leaving the document window and going into a non-document
+  // area capable of handling user interactions.
+  case eMouseExitFromWidget:
+    mType = MULTITOUCH_CANCEL;
+    break;
+  default:
+    NS_WARNING("Did not assign a type to a MultiTouchInput");
+    break;
+  }
+
+  mTouches.AppendElement(SingleTouchData(0,
+                                         ViewAs<ScreenPixel>(aMouseEvent.mRefPoint,
+                                                             PixelCastJustification::LayoutDeviceIsScreenForUntransformedEvent),
+                                         ScreenSize(1, 1),
+                                         180.0f,
+                                         1.0f));
+}
+
 WidgetTouchEvent
 MultiTouchInput::ToWidgetTouchEvent(nsIWidget* aWidget) const
 {
@@ -314,49 +273,6 @@ MultiTouchInput::IndexOfTouch(int32_t aTouchIdentifier)
   return -1;
 }
 
-// This conversion from WidgetMouseEvent to MultiTouchInput is needed because on
-// the B2G emulator we can only receive mouse events, but we need to be able
-// to pan correctly. To do this, we convert the events into a format that the
-// panning code can handle. This code is very limited and only supports
-// SingleTouchData. It also sends garbage for the identifier, radius, force
-// and rotation angle.
-MultiTouchInput::MultiTouchInput(const WidgetMouseEvent& aMouseEvent)
-  : InputData(MULTITOUCH_INPUT, aMouseEvent.mTime, aMouseEvent.mTimeStamp,
-              aMouseEvent.mModifiers)
-  , mHandledByAPZ(aMouseEvent.mFlags.mHandledByAPZ)
-{
-  MOZ_ASSERT(NS_IsMainThread(),
-             "Can only copy from WidgetMouseEvent on main thread");
-  switch (aMouseEvent.mMessage) {
-  case eMouseDown:
-    mType = MULTITOUCH_START;
-    break;
-  case eMouseMove:
-    mType = MULTITOUCH_MOVE;
-    break;
-  case eMouseUp:
-    mType = MULTITOUCH_END;
-    break;
-  // The mouse pointer has been interrupted in an implementation-specific
-  // manner, such as a synchronous event or action cancelling the touch, or a
-  // touch point leaving the document window and going into a non-document
-  // area capable of handling user interactions.
-  case eMouseExitFromWidget:
-    mType = MULTITOUCH_CANCEL;
-    break;
-  default:
-    NS_WARNING("Did not assign a type to a MultiTouchInput");
-    break;
-  }
-
-  mTouches.AppendElement(SingleTouchData(0,
-                                         ViewAs<ScreenPixel>(aMouseEvent.mRefPoint,
-                                                             PixelCastJustification::LayoutDeviceIsScreenForUntransformedEvent),
-                                         ScreenSize(1, 1),
-                                         180.0f,
-                                         1.0f));
-}
-
 bool
 MultiTouchInput::TransformToLocal(const ScreenToParentLayerMatrix4x4& aTransform)
 {
@@ -370,6 +286,210 @@ MultiTouchInput::TransformToLocal(const ScreenToParentLayerMatrix4x4& aTransform
   return true;
 }
 
+MouseInput::MouseInput()
+  : InputData(MOUSE_INPUT)
+  , mType(MOUSE_NONE)
+  , mButtonType(NONE)
+  , mInputSource(0)
+  , mButtons(0)
+  , mHandledByAPZ(false)
+{
+}
+
+MouseInput::MouseInput(MouseType aType, ButtonType aButtonType,
+                       uint16_t aInputSource, int16_t aButtons,
+                       const ScreenPoint& aPoint, uint32_t aTime,
+                       TimeStamp aTimeStamp, Modifiers aModifiers)
+  : InputData(MOUSE_INPUT, aTime, aTimeStamp, aModifiers)
+  , mType(aType)
+  , mButtonType(aButtonType)
+  , mInputSource(aInputSource)
+  , mButtons(aButtons)
+  , mOrigin(aPoint)
+  , mHandledByAPZ(false)
+{
+}
+
+MouseInput::MouseInput(const WidgetMouseEventBase& aMouseEvent)
+  : InputData(MOUSE_INPUT, aMouseEvent.mTime, aMouseEvent.mTimeStamp,
+              aMouseEvent.mModifiers)
+  , mType(MOUSE_NONE)
+  , mButtonType(NONE)
+  , mInputSource(aMouseEvent.inputSource)
+  , mButtons(aMouseEvent.buttons)
+  , mHandledByAPZ(aMouseEvent.mFlags.mHandledByAPZ)
+{
+  MOZ_ASSERT(NS_IsMainThread(),
+             "Can only copy from WidgetTouchEvent on main thread");
+
+  mButtonType = NONE;
+
+  switch (aMouseEvent.button) {
+    case WidgetMouseEventBase::eLeftButton:
+      mButtonType = MouseInput::LEFT_BUTTON;
+      break;
+    case WidgetMouseEventBase::eMiddleButton:
+      mButtonType = MouseInput::MIDDLE_BUTTON;
+      break;
+    case WidgetMouseEventBase::eRightButton:
+      mButtonType = MouseInput::RIGHT_BUTTON;
+      break;
+  }
+
+  switch (aMouseEvent.mMessage) {
+    case eMouseMove:
+      mType = MOUSE_MOVE;
+      break;
+    case eMouseUp:
+      mType = MOUSE_UP;
+      break;
+    case eMouseDown:
+      mType = MOUSE_DOWN;
+      break;
+    case eDragStart:
+      mType = MOUSE_DRAG_START;
+      break;
+    case eDragEnd:
+      mType = MOUSE_DRAG_END;
+      break;
+    case eMouseEnterIntoWidget:
+      mType = MOUSE_WIDGET_ENTER;
+      break;
+    case eMouseExitFromWidget:
+      mType = MOUSE_WIDGET_EXIT;
+      break;
+    default:
+      MOZ_ASSERT_UNREACHABLE("Mouse event type not supported");
+      break;
+  }
+
+  mOrigin =
+    ScreenPoint(ViewAs<ScreenPixel>(aMouseEvent.mRefPoint,
+      PixelCastJustification::LayoutDeviceIsScreenForUntransformedEvent));
+}
+
+bool
+MouseInput::IsLeftButton() const
+{
+  return mButtonType == LEFT_BUTTON;
+}
+
+bool
+MouseInput::TransformToLocal(const ScreenToParentLayerMatrix4x4& aTransform)
+{
+  Maybe<ParentLayerPoint> point = UntransformBy(aTransform, mOrigin);
+  if (!point) {
+    return false;
+  }
+  mLocalOrigin = *point;
+
+  return true;
+}
+
+WidgetMouseEvent
+MouseInput::ToWidgetMouseEvent(nsIWidget* aWidget) const
+{
+  MOZ_ASSERT(NS_IsMainThread(),
+             "Can only convert To WidgetTouchEvent on main thread");
+
+  EventMessage msg = eVoidEvent;
+  uint32_t clickCount = 0;
+  switch (mType) {
+    case MOUSE_MOVE:
+      msg = eMouseMove;
+      break;
+    case MOUSE_UP:
+      msg = eMouseUp;
+      clickCount = 1;
+      break;
+    case MOUSE_DOWN:
+      msg = eMouseDown;
+      clickCount = 1;
+      break;
+    case MOUSE_DRAG_START:
+      msg = eDragStart;
+      break;
+    case MOUSE_DRAG_END:
+      msg = eDragEnd;
+      break;
+    case MOUSE_WIDGET_ENTER:
+      msg = eMouseEnterIntoWidget;
+      break;
+    case MOUSE_WIDGET_EXIT:
+      msg = eMouseExitFromWidget;
+      break;
+    default:
+      MOZ_ASSERT_UNREACHABLE("Did not assign a type to WidgetMouseEvent in MouseInput");
+      break;
+  }
+
+  WidgetMouseEvent event(true, msg, aWidget, WidgetMouseEvent::eReal, WidgetMouseEvent::eNormal);
+
+  if (msg == eVoidEvent) {
+    return event;
+  }
+
+  switch (mButtonType) {
+    case MouseInput::LEFT_BUTTON:
+      event.button = WidgetMouseEventBase::eLeftButton;
+      break;
+    case MouseInput::MIDDLE_BUTTON:
+      event.button = WidgetMouseEventBase::eMiddleButton;
+      break;
+    case MouseInput::RIGHT_BUTTON:
+      event.button = WidgetMouseEventBase::eRightButton;
+      break;
+    case MouseInput::NONE:
+    default:
+      break;
+  }
+
+  event.buttons = mButtons;
+  event.mModifiers = modifiers;
+  event.mTime = mTime;
+  event.mTimeStamp = mTimeStamp;
+  event.mFlags.mHandledByAPZ = mHandledByAPZ;
+  event.mRefPoint =
+    RoundedToInt(ViewAs<LayoutDevicePixel>(mOrigin,
+      PixelCastJustification::LayoutDeviceIsScreenForUntransformedEvent));
+  event.mClickCount = clickCount;
+  event.inputSource = mInputSource;
+  event.mIgnoreRootScrollFrame = true;
+
+  return event;
+}
+
+PanGestureInput::PanGestureInput()
+  : InputData(PANGESTURE_INPUT)
+  , mLineOrPageDeltaX(0)
+  , mLineOrPageDeltaY(0)
+  , mUserDeltaMultiplierX(1.0)
+  , mUserDeltaMultiplierY(1.0)
+  , mHandledByAPZ(false)
+  , mFollowedByMomentum(false)
+  , mRequiresContentResponseIfCannotScrollHorizontallyInStartDirection(false)
+{
+}
+
+PanGestureInput::PanGestureInput(PanGestureType aType, uint32_t aTime,
+                                 TimeStamp aTimeStamp,
+                                 const ScreenPoint& aPanStartPoint,
+                                 const ScreenPoint& aPanDisplacement,
+                                 Modifiers aModifiers)
+  : InputData(PANGESTURE_INPUT, aTime, aTimeStamp, aModifiers)
+  , mType(aType)
+  , mPanStartPoint(aPanStartPoint)
+  , mPanDisplacement(aPanDisplacement)
+  , mLineOrPageDeltaX(0)
+  , mLineOrPageDeltaY(0)
+  , mUserDeltaMultiplierX(1.0)
+  , mUserDeltaMultiplierY(1.0)
+  , mHandledByAPZ(false)
+  , mFollowedByMomentum(false)
+  , mRequiresContentResponseIfCannotScrollHorizontallyInStartDirection(false)
+{
+}
+
 bool
 PanGestureInput::IsMomentum() const
 {
@@ -436,6 +556,37 @@ PanGestureInput::UserMultipliedLocalPanDisplacement() const
                           mLocalPanDisplacement.y * mUserDeltaMultiplierY);
 }
 
+PinchGestureInput::PinchGestureInput()
+  : InputData(PINCHGESTURE_INPUT)
+{
+}
+
+PinchGestureInput::PinchGestureInput(PinchGestureType aType, uint32_t aTime,
+                                     TimeStamp aTimeStamp,
+                                     const ScreenPoint& aFocusPoint,
+                                     float aCurrentSpan, float aPreviousSpan,
+                                     Modifiers aModifiers)
+  : InputData(PINCHGESTURE_INPUT, aTime, aTimeStamp, aModifiers)
+  , mType(aType)
+  , mFocusPoint(aFocusPoint)
+  , mCurrentSpan(aCurrentSpan)
+  , mPreviousSpan(aPreviousSpan)
+{
+}
+
+PinchGestureInput::PinchGestureInput(PinchGestureType aType, uint32_t aTime,
+                                     TimeStamp aTimeStamp,
+                                     const ParentLayerPoint& aLocalFocusPoint,
+                                     float aCurrentSpan, float aPreviousSpan,
+                                     Modifiers aModifiers)
+  : InputData(PINCHGESTURE_INPUT, aTime, aTimeStamp, aModifiers)
+  , mType(aType)
+  , mLocalFocusPoint(aLocalFocusPoint)
+  , mCurrentSpan(aCurrentSpan)
+  , mPreviousSpan(aPreviousSpan)
+{
+}
+
 bool
 PinchGestureInput::TransformToLocal(const ScreenToParentLayerMatrix4x4& aTransform)
 { 
@@ -447,6 +598,31 @@ PinchGestureInput::TransformToLocal(const ScreenToParentLayerMatrix4x4& aTransfo
   return true;
 }
 
+TapGestureInput::TapGestureInput()
+  : InputData(TAPGESTURE_INPUT)
+{
+}
+
+TapGestureInput::TapGestureInput(TapGestureType aType, uint32_t aTime,
+                                 TimeStamp aTimeStamp,
+                                 const ScreenIntPoint& aPoint,
+                                 Modifiers aModifiers)
+  : InputData(TAPGESTURE_INPUT, aTime, aTimeStamp, aModifiers)
+  , mType(aType)
+  , mPoint(aPoint)
+{
+}
+
+TapGestureInput::TapGestureInput(TapGestureType aType, uint32_t aTime,
+                                 TimeStamp aTimeStamp,
+                                 const ParentLayerPoint& aLocalPoint,
+                                 Modifiers aModifiers)
+  : InputData(TAPGESTURE_INPUT, aTime, aTimeStamp, aModifiers)
+  , mType(aType)
+  , mLocalPoint(aLocalPoint)
+{
+}
+
 bool
 TapGestureInput::TransformToLocal(const ScreenToParentLayerMatrix4x4& aTransform)
 {
@@ -458,24 +634,45 @@ TapGestureInput::TransformToLocal(const ScreenToParentLayerMatrix4x4& aTransform
   return true;
 }
 
-static uint32_t
-DeltaModeForDeltaType(ScrollWheelInput::ScrollDeltaType aDeltaType)
+ScrollWheelInput::ScrollWheelInput()
+  : InputData(SCROLLWHEEL_INPUT)
+  , mHandledByAPZ(false)
+  , mLineOrPageDeltaX(0)
+  , mLineOrPageDeltaY(0)
+  , mScrollSeriesNumber(0)
+  , mUserDeltaMultiplierX(1.0)
+  , mUserDeltaMultiplierY(1.0)
+  , mMayHaveMomentum(false)
+  , mIsMomentum(false)
+{
+}
+
+ScrollWheelInput::ScrollWheelInput(uint32_t aTime, TimeStamp aTimeStamp,
+                                   Modifiers aModifiers, ScrollMode aScrollMode,
+                                   ScrollDeltaType aDeltaType,
+                                   const ScreenPoint& aOrigin, double aDeltaX,
+                                   double aDeltaY,
+                                   bool aAllowToOverrideSystemScrollSpeed)
+  : InputData(SCROLLWHEEL_INPUT, aTime, aTimeStamp, aModifiers)
+  , mDeltaType(aDeltaType)
+  , mScrollMode(aScrollMode)
+  , mOrigin(aOrigin)
+  , mHandledByAPZ(false)
+  , mDeltaX(aDeltaX)
+  , mDeltaY(aDeltaY)
+  , mLineOrPageDeltaX(0)
+  , mLineOrPageDeltaY(0)
+  , mScrollSeriesNumber(0)
+  , mUserDeltaMultiplierX(1.0)
+  , mUserDeltaMultiplierY(1.0)
+  , mMayHaveMomentum(false)
+  , mIsMomentum(false)
+  , mAllowToOverrideSystemScrollSpeed(aAllowToOverrideSystemScrollSpeed)
 {
-  switch (aDeltaType) {
-    case ScrollWheelInput::SCROLLDELTA_LINE:
-      return nsIDOMWheelEvent::DOM_DELTA_LINE;
-    case ScrollWheelInput::SCROLLDELTA_PAGE:
-      return nsIDOMWheelEvent::DOM_DELTA_PAGE;
-    case ScrollWheelInput::SCROLLDELTA_PIXEL:
-    default:
-      return nsIDOMWheelEvent::DOM_DELTA_PIXEL;
-  }
 }
 
 ScrollWheelInput::ScrollWheelInput(const WidgetWheelEvent& aWheelEvent)
-  : InputData(SCROLLWHEEL_INPUT,
-              aWheelEvent.mTime,
-              aWheelEvent.mTimeStamp,
+  : InputData(SCROLLWHEEL_INPUT, aWheelEvent.mTime, aWheelEvent.mTimeStamp,
               aWheelEvent.mModifiers)
   , mDeltaType(DeltaTypeForDeltaMode(aWheelEvent.mDeltaMode))
   , mScrollMode(SCROLLMODE_INSTANT)
@@ -497,6 +694,52 @@ ScrollWheelInput::ScrollWheelInput(const WidgetWheelEvent& aWheelEvent)
       PixelCastJustification::LayoutDeviceIsScreenForUntransformedEvent));
 }
 
+ScrollWheelInput::ScrollDeltaType
+ScrollWheelInput::DeltaTypeForDeltaMode(uint32_t aDeltaMode)
+{
+  switch (aDeltaMode) {
+  case nsIDOMWheelEvent::DOM_DELTA_LINE:
+    return SCROLLDELTA_LINE;
+  case nsIDOMWheelEvent::DOM_DELTA_PAGE:
+    return SCROLLDELTA_PAGE;
+  case nsIDOMWheelEvent::DOM_DELTA_PIXEL:
+    return SCROLLDELTA_PIXEL;
+  default:
+    MOZ_CRASH();
+  }
+  return SCROLLDELTA_LINE;
+}
+
+uint32_t
+ScrollWheelInput::DeltaModeForDeltaType(ScrollDeltaType aDeltaType)
+{
+  switch (aDeltaType) {
+  case ScrollWheelInput::SCROLLDELTA_LINE:
+    return nsIDOMWheelEvent::DOM_DELTA_LINE;
+  case ScrollWheelInput::SCROLLDELTA_PAGE:
+    return nsIDOMWheelEvent::DOM_DELTA_PAGE;
+  case ScrollWheelInput::SCROLLDELTA_PIXEL:
+  default:
+    return nsIDOMWheelEvent::DOM_DELTA_PIXEL;
+  }
+}
+
+nsIScrollableFrame::ScrollUnit
+ScrollWheelInput::ScrollUnitForDeltaType(ScrollDeltaType aDeltaType)
+{
+  switch (aDeltaType) {
+  case SCROLLDELTA_LINE:
+    return nsIScrollableFrame::LINES;
+  case SCROLLDELTA_PAGE:
+    return nsIScrollableFrame::PAGES;
+  case SCROLLDELTA_PIXEL:
+    return nsIScrollableFrame::DEVICE_PIXELS;
+  default:
+    MOZ_CRASH();
+  }
+  return nsIScrollableFrame::LINES;
+}
+
 WidgetWheelEvent
 ScrollWheelInput::ToWidgetWheelEvent(nsIWidget* aWidget) const
 {

widget/InputData.h

@@ -94,24 +94,11 @@ public:
   INPUTDATA_AS_CHILD_TYPE(TapGestureInput, TAPGESTURE_INPUT)
   INPUTDATA_AS_CHILD_TYPE(ScrollWheelInput, SCROLLWHEEL_INPUT)
 
-  explicit InputData(InputType aInputType)
-    : mInputType(aInputType),
-      mTime(0),
-      modifiers(0)
-  {
-  }
+  explicit InputData(InputType aInputType);
 
 protected:
   InputData(InputType aInputType, uint32_t aTime, TimeStamp aTimeStamp,
-            Modifiers aModifiers)
-    : mInputType(aInputType),
-      mTime(aTime),
-      mTimeStamp(aTimeStamp),
-      modifiers(aModifiers)
-  {
-
-
-  }
+            Modifiers aModifiers);
 };
 
 /**
@@ -138,14 +125,7 @@ public:
                   ScreenIntPoint aScreenPoint,
                   ScreenSize aRadius,
                   float aRotationAngle,
-                  float aForce)
-    : mIdentifier(aIdentifier),
-      mScreenPoint(aScreenPoint),
-      mRadius(aRadius),
-      mRotationAngle(aRotationAngle),
-      mForce(aForce)
-  {
-  }
+                  float aForce);
 
   // Construct a SingleTouchData from a ParentLayer point.
   // mScreenPoint remains (0,0) unless it's set later.
@@ -155,18 +135,9 @@ public:
                   ParentLayerPoint aLocalScreenPoint,
                   ScreenSize aRadius,
                   float aRotationAngle,
-                  float aForce)
-    : mIdentifier(aIdentifier),
-      mLocalScreenPoint(aLocalScreenPoint),
-      mRadius(aRadius),
-      mRotationAngle(aRotationAngle),
-      mForce(aForce)
-  {
-  }
+                  float aForce);
 
-  SingleTouchData()
-  {
-  }
+  SingleTouchData();
 
   already_AddRefed<dom::Touch> ToNewDOMTouch() const;
 
@@ -225,36 +196,10 @@ public:
   };
 
   MultiTouchInput(MultiTouchType aType, uint32_t aTime, TimeStamp aTimeStamp,
-                  Modifiers aModifiers)
-    : InputData(MULTITOUCH_INPUT, aTime, aTimeStamp, aModifiers)
-    , mType(aType)
-    , mHandledByAPZ(false)
-  {
-  }
-
-  MultiTouchInput()
-    : InputData(MULTITOUCH_INPUT)
-    , mHandledByAPZ(false)
-  {
-  }
-
-  MultiTouchInput(const MultiTouchInput& aOther)
-    : InputData(MULTITOUCH_INPUT, aOther.mTime,
-                aOther.mTimeStamp, aOther.modifiers)
-    , mType(aOther.mType)
-    , mHandledByAPZ(aOther.mHandledByAPZ)
-  {
-    mTouches.AppendElements(aOther.mTouches);
-  }
-
+                  Modifiers aModifiers);
+  MultiTouchInput();
+  MultiTouchInput(const MultiTouchInput& aOther);
   explicit MultiTouchInput(const WidgetTouchEvent& aTouchEvent);
-  WidgetTouchEvent ToWidgetTouchEvent(nsIWidget* aWidget) const;
-  WidgetMouseEvent ToWidgetMouseEvent(nsIWidget* aWidget) const;
-
-  // Return the index into mTouches of the SingleTouchData with the given
-  // identifier, or -1 if there is no such SingleTouchData.
-  int32_t IndexOfTouch(int32_t aTouchIdentifier);
-
   // This conversion from WidgetMouseEvent to MultiTouchInput is needed because
   // on the B2G emulator we can only receive mouse events, but we need to be
   // able to pan correctly. To do this, we convert the events into a format that
@@ -263,6 +208,13 @@ public:
   // and rotation angle.
   explicit MultiTouchInput(const WidgetMouseEvent& aMouseEvent);
 
+  WidgetTouchEvent ToWidgetTouchEvent(nsIWidget* aWidget) const;
+  WidgetMouseEvent ToWidgetMouseEvent(nsIWidget* aWidget) const;
+
+  // Return the index into mTouches of the SingleTouchData with the given
+  // identifier, or -1 if there is no such SingleTouchData.
+  int32_t IndexOfTouch(int32_t aTouchIdentifier);
+
   bool TransformToLocal(const ScreenToParentLayerMatrix4x4& aTransform);
 
   // Warning, this class is serialized and sent over IPC. Any change to its
@@ -278,14 +230,7 @@ protected:
   friend mozilla::layers::PAPZCTreeManagerParent;
   friend mozilla::layers::APZCTreeManagerChild;
 
-  MouseInput()
-    : InputData(MOUSE_INPUT)
-    , mType(MOUSE_NONE)
-    , mButtonType(NONE)
-    , mInputSource(0)
-    , mButtons(0)
-    , mHandledByAPZ(false)
-  {}
+  MouseInput();
 
 public:
   enum MouseType
@@ -318,20 +263,12 @@ public:
     BUTTON_SENTINEL,
   };
 
-  MouseInput(MouseType aType, ButtonType aButtonType, uint16_t aInputSource, int16_t aButtons, const ScreenPoint& aPoint,
-             uint32_t aTime, TimeStamp aTimeStamp, Modifiers aModifiers)
-    : InputData(MOUSE_INPUT, aTime, aTimeStamp, aModifiers)
-    , mType(aType)
-    , mButtonType(aButtonType)
-    , mInputSource(aInputSource)
-    , mButtons(aButtons)
-    , mOrigin(aPoint)
-    , mHandledByAPZ(false)
-  {}
-
+  MouseInput(MouseType aType, ButtonType aButtonType, uint16_t aInputSource,
+             int16_t aButtons, const ScreenPoint& aPoint, uint32_t aTime,
+             TimeStamp aTimeStamp, Modifiers aModifiers);
   explicit MouseInput(const WidgetMouseEventBase& aMouseEvent);
 
-  bool IsLeftButton() const { return mButtonType == LEFT_BUTTON; }
+  bool IsLeftButton() const;
 
   bool TransformToLocal(const ScreenToParentLayerMatrix4x4& aTransform);
   WidgetMouseEvent ToWidgetMouseEvent(nsIWidget* aWidget) const;
@@ -357,17 +294,7 @@ protected:
   friend mozilla::layers::PAPZCTreeManagerParent;
   friend mozilla::layers::APZCTreeManagerChild;
 
-  PanGestureInput()
-    : InputData(PANGESTURE_INPUT),
-      mLineOrPageDeltaX(0),
-      mLineOrPageDeltaY(0),
-      mUserDeltaMultiplierX(1.0),
-      mUserDeltaMultiplierY(1.0),
-      mHandledByAPZ(false),
-      mFollowedByMomentum(false),
-      mRequiresContentResponseIfCannotScrollHorizontallyInStartDirection(false)
-  {
-  }
+  PanGestureInput();
 
 public:
   enum PanGestureType
@@ -427,20 +354,7 @@ public:
                   TimeStamp aTimeStamp,
                   const ScreenPoint& aPanStartPoint,
                   const ScreenPoint& aPanDisplacement,
-                  Modifiers aModifiers)
-    : InputData(PANGESTURE_INPUT, aTime, aTimeStamp, aModifiers),
-      mType(aType),
-      mPanStartPoint(aPanStartPoint),
-      mPanDisplacement(aPanDisplacement),
-      mLineOrPageDeltaX(0),
-      mLineOrPageDeltaY(0),
-      mUserDeltaMultiplierX(1.0),
-      mUserDeltaMultiplierY(1.0),
-      mHandledByAPZ(false),
-      mFollowedByMomentum(false),
-      mRequiresContentResponseIfCannotScrollHorizontallyInStartDirection(false)
-  {
-  }
+                  Modifiers aModifiers);
 
   bool IsMomentum() const;
 
@@ -498,10 +412,7 @@ protected:
   friend mozilla::layers::PAPZCTreeManagerParent;
   friend mozilla::layers::APZCTreeManagerChild;
 
-  PinchGestureInput()
-    : InputData(PINCHGESTURE_INPUT)
-  {
-  }
+  PinchGestureInput();
 
 public:
   enum PinchGestureType
@@ -518,37 +429,16 @@ public:
 
   // Construct a tap gesture from a Screen point.
   // mLocalFocusPoint remains (0,0) unless it's set later.
-  PinchGestureInput(PinchGestureType aType,
-                    uint32_t aTime,
-                    TimeStamp aTimeStamp,
-                    const ScreenPoint& aFocusPoint,
-                    float aCurrentSpan,
-                    float aPreviousSpan,
-                    Modifiers aModifiers)
-    : InputData(PINCHGESTURE_INPUT, aTime, aTimeStamp, aModifiers),
-      mType(aType),
-      mFocusPoint(aFocusPoint),
-      mCurrentSpan(aCurrentSpan),
-      mPreviousSpan(aPreviousSpan)
-  {
-  }
+  PinchGestureInput(PinchGestureType aType, uint32_t aTime,
+                    TimeStamp aTimeStamp, const ScreenPoint& aFocusPoint,
+                    float aCurrentSpan, float aPreviousSpan,
+                    Modifiers aModifiers);
 
   // Construct a tap gesture from a ParentLayer point.
   // mFocusPoint remains (0,0) unless it's set later.
-  PinchGestureInput(PinchGestureType aType,
-                    uint32_t aTime,
-                    TimeStamp aTimeStamp,
-                    const ParentLayerPoint& aLocalFocusPoint,
-                    float aCurrentSpan,
-                    float aPreviousSpan,
-                    Modifiers aModifiers)
-    : InputData(PINCHGESTURE_INPUT, aTime, aTimeStamp, aModifiers),
-      mType(aType),
-      mLocalFocusPoint(aLocalFocusPoint),
-      mCurrentSpan(aCurrentSpan),
-      mPreviousSpan(aPreviousSpan)
-  {
-  }
+  PinchGestureInput(PinchGestureType aType, uint32_t aTime, TimeStamp aTimeStamp,
+                    const ParentLayerPoint& aLocalFocusPoint, float aCurrentSpan,
+                    float aPreviousSpan, Modifiers aModifiers);
 
   bool TransformToLocal(const ScreenToParentLayerMatrix4x4& aTransform);
 
@@ -592,10 +482,7 @@ protected:
   friend mozilla::layers::PAPZCTreeManagerParent;
   friend mozilla::layers::APZCTreeManagerChild;
 
-  TapGestureInput()
-    : InputData(TAPGESTURE_INPUT)
-  {
-  }
+  TapGestureInput();
 
 public:
   enum TapGestureType
@@ -615,29 +502,13 @@ public:
 
   // Construct a tap gesture from a Screen point.
   // mLocalPoint remains (0,0) unless it's set later.
-  TapGestureInput(TapGestureType aType,
-                  uint32_t aTime,
-                  TimeStamp aTimeStamp,
-                  const ScreenIntPoint& aPoint,
-                  Modifiers aModifiers)
-    : InputData(TAPGESTURE_INPUT, aTime, aTimeStamp, aModifiers),
-      mType(aType),
-      mPoint(aPoint)
-  {
-  }
+  TapGestureInput(TapGestureType aType, uint32_t aTime, TimeStamp aTimeStamp,
+                  const ScreenIntPoint& aPoint, Modifiers aModifiers);
 
   // Construct a tap gesture from a ParentLayer point.
   // mPoint remains (0,0) unless it's set later.
-  TapGestureInput(TapGestureType aType,
-                  uint32_t aTime,
-                  TimeStamp aTimeStamp,
-                  const ParentLayerPoint& aLocalPoint,
-                  Modifiers aModifiers)
-    : InputData(TAPGESTURE_INPUT, aTime, aTimeStamp, aModifiers),
-      mType(aType),
-      mLocalPoint(aLocalPoint)
-  {
-  }
+  TapGestureInput(TapGestureType aType, uint32_t aTime, TimeStamp aTimeStamp,
+                  const ParentLayerPoint& aLocalPoint, Modifiers aModifiers);
 
   bool TransformToLocal(const ScreenToParentLayerMatrix4x4& aTransform);
 
@@ -662,17 +533,7 @@ protected:
   friend mozilla::layers::PAPZCTreeManagerParent;
   friend mozilla::layers::APZCTreeManagerChild;
 
-  ScrollWheelInput()
-    : InputData(SCROLLWHEEL_INPUT)
-    , mHandledByAPZ(false)
-    , mLineOrPageDeltaX(0)
-    , mLineOrPageDeltaY(0)
-    , mScrollSeriesNumber(0)
-    , mUserDeltaMultiplierX(1.0)
-    , mUserDeltaMultiplierY(1.0)
-    , mMayHaveMomentum(false)
-    , mIsMomentum(false)
-  {}
+  ScrollWheelInput();
 
 public:
   enum ScrollDeltaType
@@ -690,38 +551,6 @@ public:
     SCROLLDELTA_SENTINEL,
   };
 
-  static ScrollDeltaType
-  DeltaTypeForDeltaMode(uint32_t aDeltaMode)
-  {
-    switch (aDeltaMode) {
-      case nsIDOMWheelEvent::DOM_DELTA_LINE:
-        return SCROLLDELTA_LINE;
-      case nsIDOMWheelEvent::DOM_DELTA_PAGE:
-        return SCROLLDELTA_PAGE;
-      case nsIDOMWheelEvent::DOM_DELTA_PIXEL:
-        return SCROLLDELTA_PIXEL;
-      default:
-        MOZ_CRASH();
-    }
-    return SCROLLDELTA_LINE;
-  }
-
-  static nsIScrollableFrame::ScrollUnit
-  ScrollUnitForDeltaType(ScrollDeltaType aDeltaType)
-  {
-    switch (aDeltaType) {
-    case SCROLLDELTA_LINE:
-      return nsIScrollableFrame::LINES;
-    case SCROLLDELTA_PAGE:
-      return nsIScrollableFrame::PAGES;
-    case SCROLLDELTA_PIXEL:
-      return nsIScrollableFrame::DEVICE_PIXELS;
-    default:
-      MOZ_CRASH();
-    }
-    return nsIScrollableFrame::LINES;
-  }
-
   enum ScrollMode
   {
     // Warning, this enum is serialized and sent over IPC. If you reorder, add,
@@ -734,34 +563,16 @@ public:
     SCROLLMODE_SENTINEL,
   };
 
-  ScrollWheelInput(uint32_t aTime,
-                   TimeStamp aTimeStamp,
-                   Modifiers aModifiers,
-                   ScrollMode aScrollMode,
-                   ScrollDeltaType aDeltaType,
-                   const ScreenPoint& aOrigin,
-                   double aDeltaX,
-                   double aDeltaY,
-                   bool aAllowToOverrideSystemScrollSpeed)
-    : InputData(SCROLLWHEEL_INPUT, aTime, aTimeStamp, aModifiers)
-    , mDeltaType(aDeltaType)
-    , mScrollMode(aScrollMode)
-    , mOrigin(aOrigin)
-    , mHandledByAPZ(false)
-    , mDeltaX(aDeltaX)
-    , mDeltaY(aDeltaY)
-    , mLineOrPageDeltaX(0)
-    , mLineOrPageDeltaY(0)
-    , mScrollSeriesNumber(0)
-    , mUserDeltaMultiplierX(1.0)
-    , mUserDeltaMultiplierY(1.0)
-    , mMayHaveMomentum(false)
-    , mIsMomentum(false)
-    , mAllowToOverrideSystemScrollSpeed(aAllowToOverrideSystemScrollSpeed)
-  {}
-
+  ScrollWheelInput(uint32_t aTime, TimeStamp aTimeStamp, Modifiers aModifiers,
+                   ScrollMode aScrollMode, ScrollDeltaType aDeltaType,
+                   const ScreenPoint& aOrigin, double aDeltaX, double aDeltaY,
+                   bool aAllowToOverrideSystemScrollSpeed);
   explicit ScrollWheelInput(const WidgetWheelEvent& aEvent);
 
+  static ScrollDeltaType DeltaTypeForDeltaMode(uint32_t aDeltaMode);
+  static uint32_t DeltaModeForDeltaType(ScrollDeltaType aDeltaType);
+  static nsIScrollableFrame::ScrollUnit ScrollUnitForDeltaType(ScrollDeltaType aDeltaType);
+
   WidgetWheelEvent ToWidgetWheelEvent(nsIWidget* aWidget) const;
   bool TransformToLocal(const ScreenToParentLayerMatrix4x4& aTransform);