Backed out changeset 5414d6a71785 (bug 1315105)

--HG--
extra : rebase_source : 32ab8a0003ae643e467bcc24bd857ce58679c82f

dom/tests/browser/browser.ini

@@ -42,6 +42,3 @@ support-files =
 support-files =
   test_new_window_from_content_child.html
 [browser_xhr_sandbox.js]
-[browser_prerendering.js]
-support-files = prerender.html
-skip-if = !e10s # Prerendering requires e10s

dom/tests/browser/browser_prerendering.js

@@ -1,152 +0,0 @@
-const URL = "https://example.com/browser/dom/tests/browser/prerender.html";
-
-// Wait for a process change and then fulfil the promise.
-function awaitProcessChange(browser) {
-  return new Promise(resolve => {
-    browser.addEventListener("BrowserChangedProcess", function bcp(e) {
-      browser.removeEventListener("BrowserChangedProcess", bcp);
-      info("The browser changed process!");
-      resolve();
-    });
-  });
-}
-
-// Wait for onbeforeunload dialog, and dismiss it immediately.
-function awaitAndCloseBeforeUnloadDialog() {
-  return new Promise(resolve => {
-    function onDialogShown(node) {
-      info("Found onbeforeunload dialog");
-      Services.obs.removeObserver(onDialogShown,
-        "tabmodal-dialog-loaded");
-      let dismissButton = node.ui.button0;
-      dismissButton.click();
-      resolve();
-    }
-
-    Services.obs.addObserver(onDialogShown, "tabmodal-dialog-loaded");
-  });
-}
-
-add_task(function* () {
-  yield SpecialPowers.pushPrefEnv({
-    set: [["browser.groupedhistory.enabled", true],
-          ["dom.linkPrerender.enabled", true],
-          ["dom.require_user_interaction_for_beforeunload", false]]
-  });
-});
-
-// Test 1: Creating a prerendered browser, and clicking on a link to that browser,
-// will cause changes.
-add_task(function* () {
-  let tab = gBrowser.addTab(URL);
-
-  yield new Promise(resolve => {
-    tab.linkedBrowser.messageManager.addMessageListener("Prerender:Request", function f() {
-      tab.linkedBrowser.messageManager.removeMessageListener("Prerender:Request", f);
-      info("Successfully received the prerender request");
-      resolve();
-    });
-  });
-  yield BrowserTestUtils.switchTab(gBrowser, tab);
-
-  // Check that visibilityState is set correctly in the prerendered tab. We
-  // check all of the tabs because we have no easy way to tell which one is
-  // which.
-  let result;
-  for (let i = 0; i < gBrowser.tabs.length; ++i) {
-    result = yield ContentTask.spawn(gBrowser.tabs[i].linkedBrowser, null, function* () {
-      let interesting = content.document.location.toString() == "data:text/html,b";
-      if (interesting) {
-        is(content.document.visibilityState, "prerender");
-      }
-      return interesting;
-    });
-    if (result) {
-      break;
-    }
-  }
-  ok(result, "The prerender tab was found!");
-
-  let dialogShown = awaitAndCloseBeforeUnloadDialog();
-  ContentTask.spawn(tab.linkedBrowser, null, function*() {
-    let anchor = content.document.querySelector("a");
-    anchor.click();
-  });
-  yield dialogShown;
-
-  yield awaitProcessChange(tab.linkedBrowser);
-
-  yield ContentTask.spawn(tab.linkedBrowser, null, function*() {
-    is(content.document.location.toString(), "data:text/html,b");
-    is(content.document.visibilityState, "visible",
-       "VisibilityState of formerly prerendered window must be visible");
-  });
-
-  let groupedSHistory = tab.linkedBrowser.frameLoader.groupedSessionHistory;
-  is(groupedSHistory.count, 2, "Check total length of grouped shistory.");
-  is(gBrowser.tabs.length, 3, "Check number of opened tabs.");
-
-  // We don't touch the about:blank tab opened when browser mochitest runs.
-  // The tabs under test are the other 2 tabs, so we're expecting 2 TabClose.
-  let closed = new Promise(resolve => {
-    let seen = 0;
-    gBrowser.tabContainer.addEventListener("TabClose", function f() {
-      if (++seen == 2) {
-        gBrowser.tabContainer.removeEventListener("TabClose", f);
-        resolve();
-      }
-    });
-  });
-
-  yield BrowserTestUtils.removeTab(tab);
-  yield closed;
-
-  is(gBrowser.tabs.length, 1);
-});
-
-// Test 2: Creating a prerendered browser, and navigating to a different url,
-// succeeds, and closes the prerendered browser.
-add_task(function* () {
-  let tab = gBrowser.addTab(URL);
-
-  yield Promise.all([
-    BrowserTestUtils.browserLoaded(tab.linkedBrowser),
-    new Promise(resolve => {
-      tab.linkedBrowser.messageManager.addMessageListener("Prerender:Request", function f() {
-        tab.linkedBrowser.messageManager.removeMessageListener("Prerender:Request", f);
-        info("Successfully received the prerender request");
-        resolve();
-      });
-    }),
-    BrowserTestUtils.switchTab(gBrowser, tab),
-  ]);
-
-  let dialogShown = awaitAndCloseBeforeUnloadDialog();
-  ContentTask.spawn(tab.linkedBrowser, null, function*() {
-    let anchor = content.document.querySelector("a");
-    anchor.setAttribute("href", "data:text/html,something_else");
-    anchor.click();
-  });
-  yield dialogShown;
-
-  yield Promise.all([
-    BrowserTestUtils.browserLoaded(tab.linkedBrowser),
-    new Promise(resolve => {
-      let seen = false;
-      gBrowser.tabContainer.addEventListener("TabClose", function f() {
-        gBrowser.tabContainer.removeEventListener("TabClose", f);
-        if (!seen) {
-          seen = true;
-          info("The tab was closed");
-          resolve();
-        }
-      });
-    }),
-  ]);
-
-  yield ContentTask.spawn(tab.linkedBrowser, null, function*() {
-    is(content.document.location.toString(), "data:text/html,something_else");
-  });
-
-  yield BrowserTestUtils.removeTab(tab);
-});

dom/tests/browser/prerender.html

@@ -1,7 +0,0 @@
-<html>
-<head><title>Prerender Test</title></head>
-<body onbeforeunload="return 'stay with me';">
-<link rel="prerender" href="data:text/html,b">
-<a href="data:text/html,b">clicky here</a>
-</body>
-</html>