Bug 1286854 - Replace ownerDocument.defaultView with ownerGlobal in browser/. r=dao

--HG-- extra : rebase_source : 72d50e73baf595840a2aade57ae782e4c40d4c27
2016-07-16 10:20:04 +02:00 · 2016-07-16 10:20:04 +02:00 · c6670d980f
--- a/browser/base/content/browser-fullScreenAndPointerLock.js
+++ b/browser/base/content/browser-fullScreenAndPointerLock.js
@ -363,7 +363,7 @@ var FullScreen = {
        if (event.target == gBrowser) {
          browser = event.originalTarget;
        } else {
-          let topWin = event.target.ownerDocument.defaultView.top;
+          let topWin = event.target.ownerGlobal.top;
          browser = gBrowser.getBrowserForContentWindow(topWin);
        }
        TelemetryStopwatch.start("FULLSCREEN_CHANGE_MS");
--- a/browser/base/content/browser-places.js
+++ b/browser/base/content/browser-places.js
@ -1166,7 +1166,7 @@ var PlacesToolbarHelper = {
  onWidgetUnderflow: function(aNode, aContainer) {
    // The view gets broken by being removed and reinserted by the overflowable
    // toolbar, so we have to force an uninit and reinit.
-    let win = aNode.ownerDocument.defaultView;
+    let win = aNode.ownerGlobal;
    if (aNode.id == "personal-bookmarks" && win == window) {
      this._resetView();
    }
@ -1909,7 +1909,7 @@ var BookmarkingUI = {
      gNavigatorBundle.getString("starButtonOverflowedStarred.label");
  },
  onWidgetOverflow: function(aNode, aContainer) {
-    let win = aNode.ownerDocument.defaultView;
+    let win = aNode.ownerGlobal;
    if (aNode.id != this.BOOKMARK_BUTTON_ID || win != window)
      return;

@ -1925,7 +1925,7 @@ var BookmarkingUI = {
  },

  onWidgetUnderflow: function(aNode, aContainer) {
-    let win = aNode.ownerDocument.defaultView;
+    let win = aNode.ownerGlobal;
    if (aNode.id != this.BOOKMARK_BUTTON_ID || win != window)
      return;

--- a/browser/base/content/browser-social.js
+++ b/browser/base/content/browser-social.js
@ -183,7 +183,7 @@ SocialUI = {
      return;

    // Check to see whether this link traversal was in a social panel
-    let win = linkNode.ownerDocument.defaultView;
+    let win = linkNode.ownerGlobal;
    let container = win.QueryInterface(Ci.nsIInterfaceRequestor)
                                  .getInterface(Ci.nsIWebNavigation)
                                  .QueryInterface(Ci.nsIDocShell)
--- a/browser/base/content/browser.js
+++ b/browser/base/content/browser.js
@ -4410,7 +4410,7 @@ var XULBrowserWindow = {
        pageTooltip.hidePopup();
      }
      else {
-        for (let tooltipWindow = tooltipNode.ownerDocument.defaultView;
+        for (let tooltipWindow = tooltipNode.ownerGlobal;
             tooltipWindow != tooltipWindow.parent;
             tooltipWindow = tooltipWindow.parent) {
          if (tooltipWindow == aWebProgress.DOMWindow) {
@ -6041,7 +6041,7 @@ var IndexedDBPromptHelper = {
    var requestor = subject.QueryInterface(Ci.nsIInterfaceRequestor);

    var browser = requestor.getInterface(Ci.nsIDOMNode);
-    if (browser.ownerDocument.defaultView != window) {
+    if (browser.ownerGlobal != window) {
      // Only listen for notifications for browsers in our chrome window.
      return;
    }
--- a/browser/base/content/content.js
+++ b/browser/base/content/content.js
@ -204,7 +204,7 @@ var showContentContextMenu = function (event) {
    // commands on the context menu.
    docShell.contentViewer.QueryInterface(Ci.nsIContentViewerEdit)
            .setCommandNode(event.target);
-    event.target.ownerDocument.defaultView.updateCommands("contentcontextmenu");
+    event.target.ownerGlobal.updateCommands("contentcontextmenu");

    let customMenuItems = PageMenuChild.build(event.target);
    let principal = doc.nodePrincipal;
@ -219,7 +219,7 @@ var showContentContextMenu = function (event) {
  else {
    // Break out to the parent window and pass the add-on info along
    let browser = docShell.chromeEventHandler;
-    let mainWin = browser.ownerDocument.defaultView;
+    let mainWin = browser.ownerGlobal;
    mainWin.gContextMenuContentData = {
      isRemote: false,
      event: event,
@ -915,7 +915,7 @@ var LightWeightThemeWebInstallListener = {
          baseURI: event.target.baseURI,
          themeData: event.target.getAttribute("data-browsertheme"),
        });
-        this._previewWindow = event.target.ownerDocument.defaultView;
+        this._previewWindow = event.target.ownerGlobal;
        this._previewWindow.addEventListener("pagehide", this, true);
        break;
      }
@ -1170,7 +1170,7 @@ var PageInfoListener = {
  getMediaItems: function(document, strings, elem)
  {
    // Check for images defined in CSS (e.g. background, borders)
-    let computedStyle = elem.ownerDocument.defaultView.getComputedStyle(elem, "");
+    let computedStyle = elem.ownerGlobal.getComputedStyle(elem);
    // A node can have multiple media items associated with it - for example,
    // multiple background images.
    let mediaItems = [];
--- a/browser/base/content/nsContextMenu.js
+++ b/browser/base/content/nsContextMenu.js
@ -587,7 +587,7 @@ nsContextMenu.prototype = {

  inspectNode: function() {
    let {devtools} = Cu.import("resource://devtools/shared/Loader.jsm", {});
-    let gBrowser = this.browser.ownerDocument.defaultView.gBrowser;
+    let gBrowser = this.browser.ownerGlobal.gBrowser;
    let target = devtools.TargetFactory.forTab(gBrowser.selectedTab);

    return gDevTools.showToolbox(target, "inspector").then(toolbox => {
--- a/browser/base/content/test/general/browser_bug431826.js
+++ b/browser/base/content/test/general/browser_bug431826.js
@ -25,7 +25,7 @@ add_task(function* () {
    let div = content.document.getElementById("badCertAdvancedPanel");
    // Confirm that the expert section is collapsed
    Assert.ok(div, "Advanced content div should exist");
-    Assert.equal(div.ownerDocument.defaultView.getComputedStyle(div, "").display,
+    Assert.equal(div.ownerGlobal.getComputedStyle(div).display,
      "none", "Advanced content should not be visible by default");
  });

@ -41,7 +41,7 @@ add_task(function* () {
  yield remote(() => {
    let div = content.document.getElementById("badCertAdvancedPanel");
    Assert.ok(div, "Advanced content div should exist");
-    Assert.equal(div.ownerDocument.defaultView.getComputedStyle(div, "").display,
+    Assert.equal(div.ownerGlobal.getComputedStyle(div).display,
      "block", "Advanced content should be visible by default");
  });

--- a/browser/base/content/test/general/browser_trackingUI_1.js
+++ b/browser/base/content/test/general/browser_trackingUI_1.js
@ -113,7 +113,7 @@ function* testTrackingProtectionForTab(tab) {

  info("Load a test page containing tracking elements");
  yield promiseTabLoadEvent(tab, TRACKING_PAGE);
-  testTrackingPage(tab.ownerDocument.defaultView);
+  testTrackingPage(tab.ownerGlobal);

  info("Disable TP for the page (which reloads the page)");
  let tabReloadPromise = promiseTabLoadEvent(tab);
@ -125,7 +125,7 @@ function* testTrackingProtectionForTab(tab) {
  tabReloadPromise = promiseTabLoadEvent(tab);
  clickButton("#tracking-action-block");
  yield tabReloadPromise;
-  testTrackingPage(tab.ownerDocument.defaultView);
+  testTrackingPage(tab.ownerGlobal);
 }

 add_task(function* testNormalBrowsing() {
--- a/browser/base/content/test/general/browser_trackingUI_2.js
+++ b/browser/base/content/test/general/browser_trackingUI_2.js
@ -25,7 +25,7 @@ registerCleanupFunction(function() {
 });

 function hidden(el) {
-  let win = el.ownerDocument.defaultView;
+  let win = el.ownerGlobal;
  let display = win.getComputedStyle(el).getPropertyValue("display", null);
  let opacity = win.getComputedStyle(el).getPropertyValue("opacity", null);

--- a/browser/base/content/test/general/browser_trackingUI_5.js
+++ b/browser/base/content/test/general/browser_trackingUI_5.js
@ -85,7 +85,7 @@ add_task(function* testExceptionAddition() {
  info("Load a test page containing tracking elements");
  yield promiseTabLoadEvent(tab, TRACKING_PAGE);

-  testTrackingPage(tab.ownerDocument.defaultView);
+  testTrackingPage(tab.ownerGlobal);

  info("Disable TP for the page (which reloads the page)");
  let tabReloadPromise = promiseTabLoadEvent(tab);
@ -117,7 +117,7 @@ add_task(function* testExceptionPersistence() {
  info("Load a test page containing tracking elements");
  yield promiseTabLoadEvent(tab, TRACKING_PAGE);

-  testTrackingPage(tab.ownerDocument.defaultView);
+  testTrackingPage(tab.ownerGlobal);

  info("Disable TP for the page (which reloads the page)");
  let tabReloadPromise = promiseTabLoadEvent(tab);
--- a/browser/base/content/test/general/contextmenu_common.js
+++ b/browser/base/content/test/general/contextmenu_common.js
@ -13,7 +13,7 @@ function openContextMenuFor(element, shiftkey, waitForSpellCheck) {
    function actuallyOpenContextMenuFor() {
      lastElement = element;
      var eventDetails = { type : "contextmenu", button : 2, shiftKey : shiftkey };
-      synthesizeMouse(element, 2, 2, eventDetails, element.ownerDocument.defaultView);
+      synthesizeMouse(element, 2, 2, eventDetails, element.ownerGlobal);
    }

    if (waitForSpellCheck) {
--- a/browser/base/content/test/general/head.js
+++ b/browser/base/content/test/general/head.js
@ -698,7 +698,7 @@ function assertMixedContentBlockingState(tabbrowser, states = {}) {
  let identityBox = gIdentityHandler._identityBox;
  let classList = identityBox.classList;
  let connectionIcon = doc.getElementById("connection-icon");
-  let connectionIconImage = tabbrowser.ownerGlobal.getComputedStyle(connectionIcon, "").
+  let connectionIconImage = tabbrowser.ownerGlobal.getComputedStyle(connectionIcon).
                         getPropertyValue("list-style-image");

  let stateSecure = gIdentityHandler._state & Ci.nsIWebProgressListener.STATE_IS_SECURE;
@ -775,9 +775,9 @@ function assertMixedContentBlockingState(tabbrowser, states = {}) {
  // Make sure the correct icon is visible in the Control Center.
  // This logic is controlled with CSS, so this helps prevent regressions there.
  let securityView = doc.getElementById("identity-popup-securityView");
-  let securityViewBG = tabbrowser.ownerGlobal.getComputedStyle(securityView, "").
+  let securityViewBG = tabbrowser.ownerGlobal.getComputedStyle(securityView).
                       getPropertyValue("background-image");
-  let securityContentBG = tabbrowser.ownerGlobal.getComputedStyle(securityView, "").
+  let securityContentBG = tabbrowser.ownerGlobal.getComputedStyle(securityView).
                          getPropertyValue("background-image");

  if (stateInsecure) {
@ -831,7 +831,7 @@ function assertMixedContentBlockingState(tabbrowser, states = {}) {
 }

 function is_hidden(element) {
-  var style = element.ownerDocument.defaultView.getComputedStyle(element, "");
+  var style = element.ownerGlobal.getComputedStyle(element);
  if (style.display == "none")
    return true;
  if (style.visibility != "visible")
@ -847,7 +847,7 @@ function is_hidden(element) {
 }

 function is_visible(element) {
-  var style = element.ownerDocument.defaultView.getComputedStyle(element, "");
+  var style = element.ownerGlobal.getComputedStyle(element);
  if (style.display == "none")
    return false;
  if (style.visibility != "visible")
@ -897,7 +897,7 @@ function promisePopupHidden(popup) {
 }

 function promiseNotificationShown(notification) {
-  let win = notification.browser.ownerDocument.defaultView;
+  let win = notification.browser.ownerGlobal;
  if (win.PopupNotifications.panel.state == "open") {
    return Promise.resolve();
  }
--- a/browser/base/content/test/urlbar/head.js
+++ b/browser/base/content/test/urlbar/head.js
@ -250,7 +250,7 @@ function makeActionURI(action, params) {
 }

 function is_hidden(element) {
-  var style = element.ownerDocument.defaultView.getComputedStyle(element, "");
+  var style = element.ownerGlobal.getComputedStyle(element);
  if (style.display == "none")
    return true;
  if (style.visibility != "visible")
@ -266,7 +266,7 @@ function is_hidden(element) {
 }

 function is_visible(element) {
-  var style = element.ownerDocument.defaultView.getComputedStyle(element, "");
+  var style = element.ownerGlobal.getComputedStyle(element);
  if (style.display == "none")
    return false;
  if (style.visibility != "visible")
--- a/browser/base/content/test/webrtc/head.js
+++ b/browser/base/content/test/webrtc/head.js
@ -165,7 +165,7 @@ function promisePopupEvent(popup, eventSuffix) {
 }

 function promiseNotificationShown(notification) {
-  let win = notification.browser.ownerDocument.defaultView;
+  let win = notification.browser.ownerGlobal;
  if (win.PopupNotifications.panel.state == "open") {
    return Promise.resolve();
  }
--- a/browser/base/content/webrtcIndicator.js
+++ b/browser/base/content/webrtcIndicator.js
@ -126,7 +126,7 @@ function onPopupMenuCommand(event) {
 function onFirefoxButtonClick(event) {
  event.target.blur();
  let activeStreams = webrtcUI.getActiveStreams(true, true, true);
-  activeStreams[0].browser.ownerDocument.defaultView.focus();
+  activeStreams[0].browser.ownerGlobal.focus();
 }

 var PositionHandler = {
--- a/browser/components/contextualidentity/test/browser/browser_broadcastchannel.js
+++ b/browser/components/contextualidentity/test/browser/browser_broadcastchannel.js
@ -12,7 +12,7 @@ function* openTabInUserContext(uri, userContextId) {

  // select tab and make sure its browser is focused
  gBrowser.selectedTab = tab;
-  tab.ownerDocument.defaultView.focus();
+  tab.ownerGlobal.focus();

  let browser = gBrowser.getBrowserForTab(tab);
  yield BrowserTestUtils.browserLoaded(browser);
--- a/browser/components/contextualidentity/test/browser/browser_favicon.js
+++ b/browser/components/contextualidentity/test/browser/browser_favicon.js
@ -37,7 +37,7 @@ function* openTabInUserContext(uri, userContextId) {

  // select tab and make sure its browser is focused
  gBrowser.selectedTab = tab;
-  tab.ownerDocument.defaultView.focus();
+  tab.ownerGlobal.focus();

  let browser = gBrowser.getBrowserForTab(tab);
  yield BrowserTestUtils.browserLoaded(browser);
--- a/browser/components/contextualidentity/test/browser/browser_forgetaboutsite.js
+++ b/browser/components/contextualidentity/test/browser/browser_forgetaboutsite.js
@ -61,7 +61,7 @@ function* openTabInUserContext(uri, userContextId) {

  // Select tab and make sure its browser is focused.
  gBrowser.selectedTab = tab;
-  tab.ownerDocument.defaultView.focus();
+  tab.ownerGlobal.focus();

  let browser = gBrowser.getBrowserForTab(tab);
  yield BrowserTestUtils.browserLoaded(browser);
--- a/browser/components/contextualidentity/test/browser/browser_serviceworkers.js
+++ b/browser/components/contextualidentity/test/browser/browser_serviceworkers.js
@ -16,7 +16,7 @@ function openTabInUserContext(uri, userContextId) {

  // select tab and make sure its browser is focused
  gBrowser.selectedTab = tab;
-  tab.ownerDocument.defaultView.focus();
+  tab.ownerGlobal.focus();

  return tab;
 }
--- a/browser/components/contextualidentity/test/browser/browser_usercontext.js
+++ b/browser/components/contextualidentity/test/browser/browser_usercontext.js
@ -20,7 +20,7 @@ function openTabInUserContext(uri, userContextId) {

  // select tab and make sure its browser is focused
  gBrowser.selectedTab = tab;
-  tab.ownerDocument.defaultView.focus();
+  tab.ownerGlobal.focus();

  return tab;
 }
--- a/browser/components/customizableui/CustomizableUI.jsm
+++ b/browser/components/customizableui/CustomizableUI.jsm
@ -819,7 +819,7 @@ var CustomizableUIInternal = {
  addPanelCloseListeners: function(aPanel) {
    gELS.addSystemEventListener(aPanel, "click", this, false);
    gELS.addSystemEventListener(aPanel, "keypress", this, false);
-    let win = aPanel.ownerDocument.defaultView;
+    let win = aPanel.ownerGlobal;
    if (!gPanelsForWindow.has(win)) {
      gPanelsForWindow.set(win, new Set());
    }
@ -829,7 +829,7 @@ var CustomizableUIInternal = {
  removePanelCloseListeners: function(aPanel) {
    gELS.removeSystemEventListener(aPanel, "click", this, false);
    gELS.removeSystemEventListener(aPanel, "keypress", this, false);
-    let win = aPanel.ownerDocument.defaultView;
+    let win = aPanel.ownerGlobal;
    let panels = gPanelsForWindow.get(win);
    if (panels) {
      panels.delete(this._getPanelForNode(aPanel));
@ -960,7 +960,7 @@ var CustomizableUIInternal = {
                              : true;

    for (let areaNode of areaNodes) {
-      let window = areaNode.ownerDocument.defaultView;
+      let window = areaNode.ownerGlobal;
      if (!showInPrivateBrowsing &&
          PrivateBrowsingUtils.isWindowPrivate(window)) {
        continue;
@ -1020,7 +1020,7 @@ var CustomizableUIInternal = {
  registerBuildArea: function(aArea, aNode) {
    // We ensure that the window is registered to have its customization data
    // cleaned up when unloading.
-    let window = aNode.ownerDocument.defaultView;
+    let window = aNode.ownerGlobal;
    if (window.closed) {
      return;
    }
@ -1138,7 +1138,7 @@ var CustomizableUIInternal = {
  },

  insertNodeInWindow: function(aWidgetId, aAreaNode, isNew) {
-    let window = aAreaNode.ownerDocument.defaultView;
+    let window = aAreaNode.ownerGlobal;
    let showInPrivateBrowsing = gPalette.has(aWidgetId)
                              ? gPalette.get(aWidgetId).showInPrivateBrowsing
                              : true;
@ -1498,7 +1498,7 @@ var CustomizableUIInternal = {
                                     aWidget.id);
      }
    } else if (aWidget.type == "view") {
-      let ownerWindow = aNode.ownerDocument.defaultView;
+      let ownerWindow = aNode.ownerGlobal;
      let area = this.getPlacementOfWidget(aNode.id).area;
      let anchor = aNode;
      if (area != CustomizableUI.AREA_PANEL) {
@ -1718,7 +1718,7 @@ var CustomizableUIInternal = {
  },

  getUnusedWidgets: function(aWindowPalette) {
-    let window = aWindowPalette.ownerDocument.defaultView;
+    let window = aWindowPalette.ownerGlobal;
    let isWindowPrivate = PrivateBrowsingUtils.isWindowPrivate(window);
    // We use a Set because there can be overlap between the widgets in
    // gPalette and the items in the palette, especially after the first
@ -2498,7 +2498,7 @@ var CustomizableUIInternal = {
    }

    for (let node of buildAreaNodes) {
-      if (node.ownerDocument.defaultView === aWindow) {
+      if (node.ownerGlobal == aWindow) {
        return node.customizationTarget ? node.customizationTarget : node;
      }
    }
@ -2584,7 +2584,7 @@ var CustomizableUIInternal = {
        let area = gAreas.get(areaId);
        if (area.get("type") == CustomizableUI.TYPE_TOOLBAR) {
          let defaultCollapsed = area.get("defaultCollapsed");
-          let win = areaNode.ownerDocument.defaultView;
+          let win = areaNode.ownerGlobal;
          if (defaultCollapsed !== null) {
            win.setToolbarVisibility(areaNode, !defaultCollapsed, isFirstChangedToolbar);
          }
@ -2710,7 +2710,7 @@ var CustomizableUIInternal = {
    if (!areaNodes) {
      return false;
    }
-    let container = [...areaNodes].filter((n) => n.ownerDocument.defaultView == aWindow);
+    let container = [...areaNodes].filter((n) => n.ownerGlobal == aWindow);
    if (!container.length) {
      return false;
    }
@ -3813,7 +3813,7 @@ function WidgetGroupWrapper(aWidget) {
    if (!buildAreas) {
      return [];
    }
-    return Array.from(buildAreas, (node) => this.forWindow(node.ownerDocument.defaultView));
+    return Array.from(buildAreas, (node) => this.forWindow(node.ownerGlobal));
  });

  this.__defineGetter__("areaType", function() {
@ -3957,7 +3957,7 @@ function XULWidgetSingleWrapper(aWidgetId, aNode, aDocument) {
        return aNode;
      }
      // ... or the toolbox
-      let toolbox = aNode.ownerDocument.defaultView.gNavToolbox;
+      let toolbox = aNode.ownerGlobal.gNavToolbox;
      if (toolbox && toolbox.palette && aNode.parentNode == toolbox.palette) {
        return aNode;
      }
@ -4018,7 +4018,7 @@ function OverflowableToolbar(aToolbarNode) {
  this._list.toolbox = this._toolbar.toolbox;
  this._list.customizationTarget = this._list;

-  let window = this._toolbar.ownerDocument.defaultView;
+  let window = this._toolbar.ownerGlobal;
  if (window.gBrowserInit.delayedStartupFinished) {
    this.init();
  } else {
@ -4032,7 +4032,7 @@ OverflowableToolbar.prototype = {

  observe: function(aSubject, aTopic, aData) {
    if (aTopic == "browser-delayed-startup-finished" &&
-        aSubject == this._toolbar.ownerDocument.defaultView) {
+        aSubject == this._toolbar.ownerGlobal) {
      Services.obs.removeObserver(this, "browser-delayed-startup-finished");
      this.init();
    }
@ -4079,7 +4079,7 @@ OverflowableToolbar.prototype = {

    this._disable();

-    let window = this._toolbar.ownerDocument.defaultView;
+    let window = this._toolbar.ownerGlobal;
    window.removeEventListener("resize", this);
    window.gNavToolbox.removeEventListener("customizationstarting", this);
    window.gNavToolbox.removeEventListener("aftercustomization", this);
@ -4190,7 +4190,7 @@ OverflowableToolbar.prototype = {
      child = prevChild;
    }

-    let win = this._target.ownerDocument.defaultView;
+    let win = this._target.ownerGlobal;
    win.UpdateUrlbarSearchSplitterState();
  },

@ -4239,7 +4239,7 @@ OverflowableToolbar.prototype = {
      CustomizableUIInternal.notifyListeners("onWidgetUnderflow", child, this._target);
    }

-    let win = this._target.ownerDocument.defaultView;
+    let win = this._target.ownerGlobal;
    win.UpdateUrlbarSearchSplitterState();

    if (!this._collapsed.size) {
@ -4398,7 +4398,7 @@ OverflowableToolbar.prototype = {
  _hideTimeoutId: null,
  _showWithTimeout: function() {
    this.show().then(function () {
-      let window = this._toolbar.ownerDocument.defaultView;
+      let window = this._toolbar.ownerGlobal;
      if (this._hideTimeoutId) {
        window.clearTimeout(this._hideTimeoutId);
      }
--- a/browser/components/customizableui/CustomizableWidgets.jsm
+++ b/browser/components/customizableui/CustomizableWidgets.jsm
@ -504,11 +504,9 @@ const CustomizableWidgets = [
    shortcutId: "key_privatebrowsing",
    defaultArea: CustomizableUI.AREA_PANEL,
    onCommand: function(e) {
-      if (e.target && e.target.ownerDocument && e.target.ownerDocument.defaultView) {
-        let win = e.target.ownerDocument.defaultView;
-        if (typeof win.OpenBrowserWindow == "function") {
-          win.OpenBrowserWindow({private: true});
-        }
+      let win = e.target && e.target.ownerGlobal;
+      if (win && typeof win.OpenBrowserWindow == "function") {
+        win.OpenBrowserWindow({private: true});
      }
    }
  }, {
@ -518,8 +516,7 @@ const CustomizableWidgets = [
    defaultArea: CustomizableUI.AREA_PANEL,
    onCommand: function(aEvent) {
      let win = aEvent.target &&
-                aEvent.target.ownerDocument &&
-                aEvent.target.ownerDocument.defaultView;
+                aEvent.target.ownerGlobal;
      if (win && typeof win.saveBrowser == "function") {
        win.saveBrowser(win.gBrowser.selectedBrowser);
      }
@ -531,8 +528,7 @@ const CustomizableWidgets = [
    defaultArea: CustomizableUI.AREA_PANEL,
    onCommand: function(aEvent) {
      let win = aEvent.target &&
-                aEvent.target.ownerDocument &&
-                aEvent.target.ownerDocument.defaultView;
+                aEvent.target.ownerGlobal;
      if (win && win.gFindBar) {
        win.gFindBar.onFindCommand();
      }
@ -544,8 +540,7 @@ const CustomizableWidgets = [
    defaultArea: CustomizableUI.AREA_PANEL,
    onCommand: function(aEvent) {
      let win = aEvent.target
-                && aEvent.target.ownerDocument
-                && aEvent.target.ownerDocument.defaultView;
+                && aEvent.target.ownerGlobal;
      if (win && typeof win.BrowserOpenFileWindow == "function") {
        win.BrowserOpenFileWindow();
      }
@ -623,8 +618,7 @@ const CustomizableWidgets = [
    defaultArea: CustomizableUI.AREA_PANEL,
    onCommand: function(aEvent) {
      let win = aEvent.target &&
-                aEvent.target.ownerDocument &&
-                aEvent.target.ownerDocument.defaultView;
+                aEvent.target.ownerGlobal;
      if (win && typeof win.BrowserOpenAddonsMgr == "function") {
        win.BrowserOpenAddonsMgr();
      }
@ -900,7 +894,7 @@ const CustomizableWidgets = [
    tooltiptext: "feed-button.tooltiptext2",
    defaultArea: CustomizableUI.AREA_PANEL,
    onClick: function(aEvent) {
-      let win = aEvent.target.ownerDocument.defaultView;
+      let win = aEvent.target.ownerGlobal;
      let feeds = win.gBrowser.selectedBrowser.feeds;

      // Here, we only care about the case where we have exactly 1 feed and the
@ -926,7 +920,7 @@ const CustomizableWidgets = [
      }
    },
    onCreated: function(node) {
-      let win = node.ownerDocument.defaultView;
+      let win = node.ownerGlobal;
      let selectedBrowser = win.gBrowser.selectedBrowser;
      let feeds = selectedBrowser && selectedBrowser.feeds;
      if (!feeds || !feeds.length) {
@ -1027,7 +1021,7 @@ const CustomizableWidgets = [
        return;
      }

-      let window = node.ownerDocument.defaultView;
+      let window = node.ownerGlobal;
      let section = node.section;
      let value = node.value;

@ -1161,8 +1155,7 @@ let preferencesButton = {
  defaultArea: CustomizableUI.AREA_PANEL,
  onCommand: function(aEvent) {
    let win = aEvent.target &&
-              aEvent.target.ownerDocument &&
-              aEvent.target.ownerDocument.defaultView;
+              aEvent.target.ownerGlobal;
    if (win && typeof win.openPreferences == "function") {
      win.openPreferences();
    }
--- a/browser/components/customizableui/CustomizeMode.jsm
+++ b/browser/components/customizableui/CustomizeMode.jsm
@ -1243,7 +1243,7 @@ CustomizeMode.prototype = {
  },

  onWidgetBeforeDOMChange: function(aNodeToChange, aSecondaryNode, aContainer) {
-    if (aContainer.ownerDocument.defaultView != this.window || this.resetting) {
+    if (aContainer.ownerGlobal != this.window || this.resetting) {
      return;
    }
    if (aContainer.id == CustomizableUI.AREA_PANEL) {
@ -1260,7 +1260,7 @@ CustomizeMode.prototype = {
  },

  onWidgetAfterDOMChange: function(aNodeToChange, aSecondaryNode, aContainer) {
-    if (aContainer.ownerDocument.defaultView != this.window || this.resetting) {
+    if (aContainer.ownerGlobal != this.window || this.resetting) {
      return;
    }
    // If the node is still attached to the container, wrap it again:
@ -1697,7 +1697,7 @@ CustomizeMode.prototype = {
          dragValue = "before";
        } else {
          // Check if the aDraggedItem is hovered past the first half of dragOverItem
-          let window = dragOverItem.ownerDocument.defaultView;
+          let window = dragOverItem.ownerGlobal;
          let direction = window.getComputedStyle(dragOverItem, null).direction;
          let itemRect = dragOverItem.getBoundingClientRect();
          let dropTargetCenter = itemRect.left + (itemRect.width / 2);
@ -1986,7 +1986,7 @@ CustomizeMode.prototype = {
    // mozSourceNode is null in the dragStart event handler or if
    // the drag event originated in an external application.
    return !mozSourceNode ||
-           mozSourceNode.ownerDocument.defaultView != this.window;
+           mozSourceNode.ownerGlobal != this.window;
  },

  _setDragActive: function(aItem, aValue, aDraggedItemId, aInToolbar) {
@ -1997,7 +1997,7 @@ CustomizeMode.prototype = {
    if (aItem.getAttribute("dragover") != aValue) {
      aItem.setAttribute("dragover", aValue);

-      let window = aItem.ownerDocument.defaultView;
+      let window = aItem.ownerGlobal;
      let draggedItem = window.document.getElementById(aDraggedItemId);
      if (!aInToolbar) {
        this._setGridDragActive(aItem, draggedItem, aValue);
@ -2038,7 +2038,7 @@ CustomizeMode.prototype = {
    }
  },
  _cancelDragActive: function(aItem, aNextItem, aNoTransition) {
-    this._updateToolbarCustomizationOutline(aItem.ownerDocument.defaultView);
+    this._updateToolbarCustomizationOutline(aItem.ownerGlobal);
    let currentArea = this._getCustomizableParent(aItem);
    if (!currentArea) {
      return;
--- a/browser/components/customizableui/DragPositionManager.jsm
+++ b/browser/components/customizableui/DragPositionManager.jsm
@ -15,7 +15,7 @@ this.EXPORTED_SYMBOLS = ["DragPositionManager"];

 function AreaPositionManager(aContainer) {
  // Caching the direction and bounds of the container for quick access later:
-  let window = aContainer.ownerDocument.defaultView;
+  let window = aContainer.ownerGlobal;
  this._dir = window.getComputedStyle(aContainer).direction;
  let containerRect = aContainer.getBoundingClientRect();
  this._containerInfo = {
@ -34,7 +34,7 @@ AreaPositionManager.prototype = {
  _wideCache: null,

  update: function(aContainer) {
-    let window = aContainer.ownerDocument.defaultView;
+    let window = aContainer.ownerGlobal;
    this._nodePositionStore = new WeakMap();
    this._wideCache = new Set();
    let last = null;
--- a/browser/components/customizableui/test/head.js
+++ b/browser/components/customizableui/test/head.js
@ -301,7 +301,7 @@ function isPanelUIOpen() {

 function subviewShown(aSubview) {
  let deferred = Promise.defer();
-  let win = aSubview.ownerDocument.defaultView;
+  let win = aSubview.ownerGlobal;
  let timeoutId = win.setTimeout(() => {
    deferred.reject("Subview (" + aSubview.id + ") did not show within 20 seconds.");
  }, 20000);
@ -316,7 +316,7 @@ function subviewShown(aSubview) {

 function subviewHidden(aSubview) {
  let deferred = Promise.defer();
-  let win = aSubview.ownerDocument.defaultView;
+  let win = aSubview.ownerGlobal;
  let timeoutId = win.setTimeout(() => {
    deferred.reject("Subview (" + aSubview.id + ") did not hide within 20 seconds.");
  }, 20000);
@ -476,7 +476,7 @@ function popupHidden(aPopup) {
 */
 function promisePopupEvent(aPopup, aEventSuffix) {
  let deferred = Promise.defer();
-  let win = aPopup.ownerDocument.defaultView;
+  let win = aPopup.ownerGlobal;
  let eventType = "popup" + aEventSuffix;

  function onPopupEvent(e) {
--- a/browser/components/extensions/ext-browserAction.js
+++ b/browser/components/extensions/ext-browserAction.js
@ -114,7 +114,7 @@ BrowserAction.prototype = {
    });

    this.tabContext.on("tab-select", // eslint-disable-line mozilla/balanced-listeners
-                       (evt, tab) => { this.updateWindow(tab.ownerDocument.defaultView); });
+                       (evt, tab) => { this.updateWindow(tab.ownerGlobal); });

    this.widget = widget;
  },
@ -196,7 +196,7 @@ BrowserAction.prototype = {
  updateOnChange(tab) {
    if (tab) {
      if (tab.selected) {
-        this.updateWindow(tab.ownerDocument.defaultView);
+        this.updateWindow(tab.ownerGlobal);
      }
    } else {
      for (let window of WindowListManager.browserWindows()) {
--- a/browser/components/extensions/ext-commands.js
+++ b/browser/components/extensions/ext-commands.js
@ -124,7 +124,7 @@ CommandList.prototype = {
    // therefore the listeners for these elements will be garbage collected.
    keyElement.addEventListener("command", (event) => {
      if (name == "_execute_page_action") {
-        let win = event.target.ownerDocument.defaultView;
+        let win = event.target.ownerGlobal;
        pageActionFor(this.extension).triggerAction(win);
      } else {
        this.emit("command", name);
--- a/browser/components/extensions/ext-contextMenus.js
+++ b/browser/components/extensions/ext-contextMenus.js
@ -51,7 +51,7 @@ var gMenuBuilder = {

      // Display the extension icon on the root element.
      if (root.extension.manifest.icons) {
-        let parentWindow = contextData.menu.ownerDocument.defaultView;
+        let parentWindow = contextData.menu.ownerGlobal;
        let extension = root.extension;

        let {icon} = IconDetails.getPreferredIcon(extension.manifest.icons, extension,
--- a/browser/components/extensions/ext-pageAction.js
+++ b/browser/components/extensions/ext-pageAction.js
@ -64,7 +64,7 @@ PageAction.prototype = {
    }

    if (tab.selected) {
-      this.updateButton(tab.ownerDocument.defaultView);
+      this.updateButton(tab.ownerGlobal);
    }
  },

@ -183,7 +183,7 @@ PageAction.prototype = {
    if (fromBrowse) {
      this.tabContext.clear(tab);
    }
-    this.updateButton(tab.ownerDocument.defaultView);
+    this.updateButton(tab.ownerGlobal);
  },

  shutdown() {
--- a/browser/components/extensions/ext-tabs.js
+++ b/browser/components/extensions/ext-tabs.js
@ -26,7 +26,7 @@ function getSender(context, target, sender) {
  // We can just get the |tab| from |target|.
  if (target instanceof Ci.nsIDOMXULElement) {
    // The message came from a content script.
-    let tabbrowser = target.ownerDocument.defaultView.gBrowser;
+    let tabbrowser = target.ownerGlobal.gBrowser;
    if (!tabbrowser) {
      return;
    }
@ -54,7 +54,7 @@ extensions.on("page-load", (type, page, params, sender, delegate) => {
  if (params.type == "tab" || params.type == "popup") {
    let browser = params.docShell.chromeEventHandler;

-    let parentWindow = browser.ownerDocument.defaultView;
+    let parentWindow = browser.ownerGlobal;
    page.windowId = WindowManager.getId(parentWindow);

    let tab = parentWindow.gBrowser.getTabForBrowser(browser);
@ -206,14 +206,14 @@ let tabListener = {
  },

  emitAttached(tab) {
-    let newWindowId = WindowManager.getId(tab.ownerDocument.defaultView);
+    let newWindowId = WindowManager.getId(tab.ownerGlobal);
    let tabId = TabManager.getId(tab);

    this.emit("tab-attached", {tab, tabId, newWindowId, newPosition: tab._tPos});
  },

  emitDetached(tab, adoptedBy) {
-    let oldWindowId = WindowManager.getId(tab.ownerDocument.defaultView);
+    let oldWindowId = WindowManager.getId(tab.ownerGlobal);
    let tabId = TabManager.getId(tab);

    this.emit("tab-detached", {tab, adoptedBy, tabId, oldWindowId, oldPosition: tab._tPos});
@ -224,7 +224,7 @@ let tabListener = {
  },

  emitRemoved(tab, isWindowClosing) {
-    let windowId = WindowManager.getId(tab.ownerDocument.defaultView);
+    let windowId = WindowManager.getId(tab.ownerGlobal);
    let tabId = TabManager.getId(tab);

    this.emit("tab-removed", {tab, tabId, windowId, isWindowClosing});
@ -243,7 +243,7 @@ let tabListener = {

  onLocationChange(browser, webProgress, request, locationURI, flags) {
    if (webProgress.isTopLevel) {
-      let gBrowser = browser.ownerDocument.defaultView.gBrowser;
+      let gBrowser = browser.ownerGlobal.gBrowser;
      let tab = gBrowser.getTabForBrowser(browser);

      let deferred = this.tabReadyPromises.get(tab);
@ -267,7 +267,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
      onActivated: new WindowEventManager(context, "tabs.onActivated", "TabSelect", (fire, event) => {
        let tab = event.originalTarget;
        let tabId = TabManager.getId(tab);
-        let windowId = WindowManager.getId(tab.ownerDocument.defaultView);
+        let windowId = WindowManager.getId(tab.ownerGlobal);
        fire({tabId, windowId});
      }).api(),

@ -292,7 +292,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
      onHighlighted: new WindowEventManager(context, "tabs.onHighlighted", "TabSelect", (fire, event) => {
        let tab = event.originalTarget;
        let tabIds = [TabManager.getId(tab)];
-        let windowId = WindowManager.getId(tab.ownerDocument.defaultView);
+        let windowId = WindowManager.getId(tab.ownerGlobal);
        fire({tabIds, windowId});
      }).api(),

@ -363,7 +363,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
          }

          fire(TabManager.getId(tab), {
-            windowId: WindowManager.getId(tab.ownerDocument.defaultView),
+            windowId: WindowManager.getId(tab.ownerGlobal),
            fromIndex: event.detail,
            toIndex: tab._tPos,
          });
@ -393,7 +393,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
        let fireForBrowser = (browser, changed) => {
          let [needed, changeInfo] = sanitize(extension, changed);
          if (needed) {
-            let gBrowser = browser.ownerDocument.defaultView.gBrowser;
+            let gBrowser = browser.ownerGlobal.gBrowser;
            let tabElem = gBrowser.getTabForBrowser(browser);

            let tab = TabManager.convert(extension, tabElem);
@ -550,7 +550,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {

        for (let tabId of tabs) {
          let tab = TabManager.getTab(tabId);
-          tab.ownerDocument.defaultView.gBrowser.removeTab(tab);
+          tab.ownerGlobal.gBrowser.removeTab(tab);
        }

        return Promise.resolve();
@ -563,7 +563,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
          return Promise.reject({message: `No tab found with tabId: ${tabId}`});
        }

-        let tabbrowser = tab.ownerDocument.defaultView.gBrowser;
+        let tabbrowser = tab.ownerGlobal.gBrowser;

        if (updateProperties.url !== null) {
          let url = context.uri.resolve(updateProperties.url);
@ -881,7 +881,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
          }

          // If the window is not specified, use the window from the tab.
-          let window = destinationWindow || tab.ownerDocument.defaultView;
+          let window = destinationWindow || tab.ownerGlobal;
          let gBrowser = window.gBrowser;

          let insertionPoint = indexMap.get(window) || index;
@ -902,7 +902,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {

          indexMap.set(window, insertionPoint + 1);

-          if (tab.ownerDocument.defaultView !== window) {
+          if (tab.ownerGlobal != window) {
            // If the window we are moving the tab in is different, then move the tab
            // to the new window.
            tab = gBrowser.adoptTab(tab, insertionPoint, false);
@ -922,7 +922,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
          return Promise.reject({message: `Invalid tab ID: ${tabId}`});
        }

-        let gBrowser = tab.ownerDocument.defaultView.gBrowser;
+        let gBrowser = tab.ownerGlobal.gBrowser;
        let newTab = gBrowser.duplicateTab(tab);

        return new Promise(resolve => {
@ -952,7 +952,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
      getZoom(tabId) {
        let tab = tabId ? TabManager.getTab(tabId) : TabManager.activeTab;

-        let {ZoomManager} = tab.ownerDocument.defaultView;
+        let {ZoomManager} = tab.ownerGlobal;
        let zoom = ZoomManager.getZoomForBrowser(tab.linkedBrowser);

        return Promise.resolve(zoom);
@ -961,7 +961,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
      setZoom(tabId, zoom) {
        let tab = tabId ? TabManager.getTab(tabId) : TabManager.activeTab;

-        let {FullZoom, ZoomManager} = tab.ownerDocument.defaultView;
+        let {FullZoom, ZoomManager} = tab.ownerGlobal;

        if (zoom === 0) {
          // A value of zero means use the default zoom factor.
@ -980,7 +980,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
      _getZoomSettings(tabId) {
        let tab = tabId ? TabManager.getTab(tabId) : TabManager.activeTab;

-        let {FullZoom} = tab.ownerDocument.defaultView;
+        let {FullZoom} = tab.ownerGlobal;

        return {
          mode: "automatic",
@ -1006,7 +1006,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {

      onZoomChange: new EventManager(context, "tabs.onZoomChange", fire => {
        let getZoomLevel = browser => {
-          let {ZoomManager} = browser.ownerDocument.defaultView;
+          let {ZoomManager} = browser.ownerGlobal;

          return ZoomManager.getZoomForBrowser(browser);
        };
@ -1040,7 +1040,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
                             .chromeEventHandler;
          }

-          let {gBrowser} = browser.ownerDocument.defaultView;
+          let {gBrowser} = browser.ownerGlobal;
          let tab = gBrowser.getTabForBrowser(browser);
          if (!tab) {
            // We only care about zoom events in the top-level browser of a tab.
--- a/browser/components/extensions/ext-utils.js
+++ b/browser/components/extensions/ext-utils.js
@ -73,7 +73,7 @@ class BasePopup {
    this.popupURI = popupURI;
    this.viewNode = viewNode;
    this.browserStyle = browserStyle;
-    this.window = viewNode.ownerDocument.defaultView;
+    this.window = viewNode.ownerGlobal;

    this.contentReady = new Promise(resolve => {
      this._resolveContentReady = resolve;
@ -328,7 +328,7 @@ TabContext.prototype = {
  },

  onLocationChange(browser, webProgress, request, locationURI, flags) {
-    let gBrowser = browser.ownerDocument.defaultView.gBrowser;
+    let gBrowser = browser.ownerGlobal.gBrowser;
    if (browser === gBrowser.selectedBrowser) {
      let tab = gBrowser.getTabForBrowser(browser);
      this.emit("location-change", tab, true);
@ -384,7 +384,7 @@ ExtensionTabManager.prototype = {
  },

  convert(tab) {
-    let window = tab.ownerDocument.defaultView;
+    let window = tab.ownerGlobal;
    let browser = tab.linkedBrowser;

    let mutedInfo = {muted: tab.muted};
@ -495,7 +495,7 @@ global.TabManager = {
  },

  getBrowserId(browser) {
-    let gBrowser = browser.ownerDocument.defaultView.gBrowser;
+    let gBrowser = browser.ownerGlobal.gBrowser;
    // Some non-browser windows have gBrowser but not
    // getTabForBrowser!
    if (gBrowser && gBrowser.getTabForBrowser) {
--- a/browser/components/newtab/NewTabSearchProvider.jsm
+++ b/browser/components/newtab/NewTabSearchProvider.jsm
@ -71,7 +71,7 @@ SearchProvider.prototype = {
  },

  manageEngines(browser) {
-    const browserWin = browser.ownerDocument.defaultView;
+    const browserWin = browser.ownerGlobal;
    browserWin.openPreferences("paneSearch");
  },

--- a/browser/components/nsBrowserGlue.js
+++ b/browser/components/nsBrowserGlue.js
@ -2557,7 +2557,7 @@ ContentPermissionPrompt.prototype = {
  _showPrompt: function CPP_showPrompt(aRequest, aMessage, aPermission, aActions,
                                       aNotificationId, aAnchorId, aOptions) {
    var browser = this._getBrowserForRequest(aRequest);
-    var chromeWin = browser.ownerDocument.defaultView;
+    var chromeWin = browser.ownerGlobal;
    var requestPrincipal = aRequest.principal;

    // Transform the prompt actions into PopupNotification actions.
@ -2760,7 +2760,7 @@ ContentPermissionPrompt.prototype = {
    }

    var browser = this._getBrowserForRequest(request);
-    var chromeWin = browser.ownerDocument.defaultView;
+    var chromeWin = browser.ownerGlobal;
    if (!chromeWin.PopupNotifications)
      // Ignore requests from browsers hosted in windows that don't support
      // PopupNotifications.
--- a/browser/components/places/PlacesUIUtils.jsm
+++ b/browser/components/places/PlacesUIUtils.jsm
@ -186,7 +186,7 @@ let InternalFaviconLoader = {

  loadFavicon(browser, principal, uri) {
    this.ensureInitialized();
-    let win = browser.ownerDocument.defaultView;
+    let win = browser.ownerGlobal;
    if (!gFaviconLoadDataMap.has(win)) {
      gFaviconLoadDataMap.set(win, []);
      let unloadHandler = event => {
--- a/browser/components/places/content/controller.js
+++ b/browser/components/places/content/controller.js
@ -1601,7 +1601,7 @@ var PlacesControllerDragHelper = {
        unwrapped = PlacesUtils.unwrapNodes(data, flavor)[0];
      }
      else if (data instanceof XULElement && data.localName == "tab" &&
-               data.ownerDocument.defaultView instanceof ChromeWindow) {
+               data.ownerGlobal instanceof ChromeWindow) {
        let uri = data.linkedBrowser.currentURI;
        let spec = uri ? uri.spec : "about:blank";
        let title = data.label;
--- a/browser/components/places/tests/browser/browser_library_middleclick.js
+++ b/browser/components/places/tests/browser/browser_library_middleclick.js
@ -28,7 +28,7 @@ var gTabsListener = {
    }

    var tab = aEvent.target;
-    is(tab.ownerDocument.defaultView, window,
+    is(tab.ownerGlobal, window,
       "Tab has been opened in current browser window");
  },

@ -62,7 +62,7 @@ var gTabsListener = {
          gBrowser.removeCurrentTab();

        // Test finished.  This will move to the next one.
-        waitForFocus(gCurrentTest.finish, gBrowser.ownerDocument.defaultView);
+        waitForFocus(gCurrentTest.finish, gBrowser.ownerGlobal);
      });
    }
  }
--- a/browser/components/places/tests/browser/head.js
+++ b/browser/components/places/tests/browser/head.js
@ -136,7 +136,7 @@ function synthesizeClickOnSelectedTreeCell(aTree, aOptions) {
  var y = rect.y + rect.height / 2;
  // Simulate the click.
  EventUtils.synthesizeMouse(aTree.body, x, y, aOptions || {},
-                             aTree.ownerDocument.defaultView);
+                             aTree.ownerGlobal);
 }

 /**
--- a/browser/components/preferences/in-content/subdialogs.js
+++ b/browser/components/preferences/in-content/subdialogs.js
@ -336,7 +336,7 @@ var gSubDialog = {
        (isLastFocusableElement(aEvent.originalTarget) && forward)) {
      aEvent.preventDefault();
      aEvent.stopImmediatePropagation();
-      let parentWin = this._getBrowser().ownerDocument.defaultView;
+      let parentWin = this._getBrowser().ownerGlobal;
      if (forward) {
        fm.moveFocus(parentWin, null, fm.MOVEFOCUS_FIRST, fm.FLAG_BYKEY);
      } else {
--- a/browser/components/preferences/in-content/tests/head.js
+++ b/browser/components/preferences/in-content/tests/head.js
@ -6,7 +6,7 @@ Components.utils.import("resource://gre/modules/Promise.jsm");
 const kDefaultWait = 2000;

 function is_hidden(aElement) {
-  var style = aElement.ownerDocument.defaultView.getComputedStyle(aElement, "");
+  var style = aElement.ownerGlobal.getComputedStyle(aElement);
  if (style.display == "none")
    return true;
  if (style.visibility != "visible")
--- a/browser/components/safebrowsing/content/test/browser_whitelisted.js
+++ b/browser/components/safebrowsing/content/test/browser_whitelisted.js
@ -32,10 +32,10 @@ add_task(function* testNormalBrowsing() {
  info("Load a test page that's whitelisted");
  Services.prefs.setCharPref(PREF_WHITELISTED_HOSTNAMES, "example.com,www.ItIsaTrap.org,example.net");
  yield promiseTabLoadEvent(tab, TEST_PAGE, "load");
-  testWhitelistedPage(tab.ownerDocument.defaultView);
+  testWhitelistedPage(tab.ownerGlobal);

  info("Load a test page that's no longer whitelisted");
  Services.prefs.setCharPref(PREF_WHITELISTED_HOSTNAMES, "");
  yield promiseTabLoadEvent(tab, TEST_PAGE, "AboutBlockedLoaded");
-  testBlockedPage(tab.ownerDocument.defaultView);
+  testBlockedPage(tab.ownerGlobal);
 });
--- a/browser/components/search/test/browser_oneOffHeader.js
+++ b/browser/components/search/test/browser_oneOffHeader.js
@ -49,7 +49,7 @@ const utils = window.QueryInterface(Ci.nsIInterfaceRequestor)
 const scale = utils.screenPixelsPerCSSPixel;
 function* synthesizeNativeMouseMove(aElement) {
  let rect = aElement.getBoundingClientRect();
-  let win = aElement.ownerDocument.defaultView;
+  let win = aElement.ownerGlobal;
  let x = win.mozInnerScreenX + (rect.left + rect.right) / 2;
  let y = win.mozInnerScreenY + (rect.top + rect.bottom) / 2;

--- a/browser/components/search/test/browser_searchbar_openpopup.js
+++ b/browser/components/search/test/browser_searchbar_openpopup.js
@ -24,7 +24,7 @@ const scale = utils.screenPixelsPerCSSPixel;

 function* synthesizeNativeMouseClick(aElement) {
  let rect = aElement.getBoundingClientRect();
-  let win = aElement.ownerDocument.defaultView;
+  let win = aElement.ownerGlobal;
  let x = win.mozInnerScreenX + (rect.left + rect.right) / 2;
  let y = win.mozInnerScreenY + (rect.top + rect.bottom) / 2;

--- a/browser/components/sessionstore/SessionStore.jsm
+++ b/browser/components/sessionstore/SessionStore.jsm
@ -677,7 +677,7 @@ var SessionStoreInternal = {
    // If we got here, that means we're dealing with a frame message
    // manager message, so the target will be a <xul:browser>.
    var browser = aMessage.target;
-    let win = browser.ownerDocument.defaultView;
+    let win = browser.ownerGlobal;
    let tab = win ? win.gBrowser.getTabForBrowser(browser) : null;

    // Ensure we receive only specific messages from <xul:browser>s that
@ -890,7 +890,7 @@ var SessionStoreInternal = {
   * Implement nsIDOMEventListener for handling various window and tab events
   */
  handleEvent: function ssi_handleEvent(aEvent) {
-    let win = aEvent.currentTarget.ownerDocument.defaultView;
+    let win = aEvent.currentTarget.ownerGlobal;
    let target = aEvent.originalTarget;
    switch (aEvent.type) {
      case "TabOpen":
@ -2051,7 +2051,7 @@ var SessionStoreInternal = {
  },

  getTabState: function ssi_getTabState(aTab) {
-    if (!aTab.ownerDocument.defaultView.__SSi) {
+    if (!aTab.ownerGlobal.__SSi) {
      throw Components.Exception("Default view is not tracked", Cr.NS_ERROR_INVALID_ARG);
    }

@ -2076,7 +2076,7 @@ var SessionStoreInternal = {
      throw Components.Exception("Invalid state object: no entries", Cr.NS_ERROR_INVALID_ARG);
    }

-    let window = aTab.ownerDocument.defaultView;
+    let window = aTab.ownerGlobal;
    if (!("__SSi" in window)) {
      throw Components.Exception("Window is not tracked", Cr.NS_ERROR_INVALID_ARG);
    }
@ -2089,7 +2089,7 @@ var SessionStoreInternal = {
  },

  duplicateTab: function ssi_duplicateTab(aWindow, aTab, aDelta = 0) {
-    if (!aTab.ownerDocument.defaultView.__SSi) {
+    if (!aTab.ownerGlobal.__SSi) {
      throw Components.Exception("Default view is not tracked", Cr.NS_ERROR_INVALID_ARG);
    }
    if (!aWindow.gBrowser) {
@ -2118,7 +2118,7 @@ var SessionStoreInternal = {
        return;
      }

-      let window = newTab.ownerDocument && newTab.ownerDocument.defaultView;
+      let window = newTab.ownerGlobal;

      // The tab or its window might be gone.
      if (!window || !window.__SSi) {
@ -2305,13 +2305,13 @@ var SessionStoreInternal = {
    }

    aTab.__SS_extdata[aKey] = aStringValue;
-    this.saveStateDelayed(aTab.ownerDocument.defaultView);
+    this.saveStateDelayed(aTab.ownerGlobal);
  },

  deleteTabValue: function ssi_deleteTabValue(aTab, aKey) {
    if (aTab.__SS_extdata && aKey in aTab.__SS_extdata) {
      delete aTab.__SS_extdata[aKey];
-      this.saveStateDelayed(aTab.ownerDocument.defaultView);
+      this.saveStateDelayed(aTab.ownerGlobal);
    }
  },

@ -2509,7 +2509,7 @@ var SessionStoreInternal = {
   * flush has finished.
   */
  navigateAndRestore(tab, loadArguments, historyIndex) {
-    let window = tab.ownerDocument.defaultView;
+    let window = tab.ownerGlobal;
    NS_ASSERT(window.__SSi, "tab's window must be tracked");
    let browser = tab.linkedBrowser;

@ -2547,7 +2547,7 @@ var SessionStoreInternal = {
        return;
      }

-      let window = tab.ownerDocument && tab.ownerDocument.defaultView;
+      let window = tab.ownerGlobal;

      // The tab or its window might be gone.
      if (!window || !window.__SSi || window.closed) {
@ -3210,7 +3210,7 @@ var SessionStoreInternal = {
    let restoreImmediately = options.restoreImmediately;
    let loadArguments = options.loadArguments;
    let browser = tab.linkedBrowser;
-    let window = tab.ownerDocument.defaultView;
+    let window = tab.ownerGlobal;
    let tabbrowser = window.gBrowser;
    let forceOnDemand = options.forceOnDemand;

@ -3350,7 +3350,7 @@ var SessionStoreInternal = {
    }

    let browser = aTab.linkedBrowser;
-    let window = aTab.ownerDocument.defaultView;
+    let window = aTab.ownerGlobal;
    let tabbrowser = window.gBrowser;
    let tabData = TabState.clone(aTab);
    let activeIndex = tabData.index - 1;
@ -4145,7 +4145,7 @@ var SessionStoreInternal = {
    NS_ASSERT(aTab.linkedBrowser.__SS_restoreState,
              "given tab is not restoring");

-    let window = aTab.ownerDocument.defaultView;
+    let window = aTab.ownerGlobal;
    let browser = aTab.linkedBrowser;

    // Keep the tab's previous state for later in this method
--- a/browser/components/sessionstore/TabState.jsm
+++ b/browser/components/sessionstore/TabState.jsm
@ -118,7 +118,7 @@ var TabStateInternal = {

    // Store the tab icon.
    if (!("image" in tabData)) {
-      let tabbrowser = tab.ownerDocument.defaultView.gBrowser;
+      let tabbrowser = tab.ownerGlobal.gBrowser;
      tabData.image = tabbrowser.getIcon(tab);
    }

--- a/browser/components/sessionstore/content/content-sessionStore.js
+++ b/browser/components/sessionstore/content/content-sessionStore.js
@ -418,8 +418,7 @@ var FormDataListener = {

  handleEvent: function (event) {
    let frame = event.target &&
-                event.target.ownerDocument &&
-                event.target.ownerDocument.defaultView;
+                event.target.ownerGlobal;

    // Don't collect form data for frames created at or after the load event
    // as SessionStore can't restore form data for those.
--- a/browser/components/sessionstore/test/browser_463206.js
+++ b/browser/components/sessionstore/test/browser_463206.js
@ -18,7 +18,7 @@ add_task(function* () {
      aTextField.value = aValue;

      let event = aTextField.ownerDocument.createEvent("UIEvents");
-      event.initUIEvent("input", true, true, aTextField.ownerDocument.defaultView, 0);
+      event.initUIEvent("input", true, true, aTextField.ownerGlobal, 0);
      aTextField.dispatchEvent(event);
    }

--- a/browser/components/sessionstore/test/browser_sessionStoreContainer.js
+++ b/browser/components/sessionstore/test/browser_sessionStoreContainer.js
@ -77,7 +77,7 @@ function* openTabInUserContext(userContextId) {

  // Select tab and make sure its browser is focused.
  gBrowser.selectedTab = tab;
-  tab.ownerDocument.defaultView.focus();
+  tab.ownerGlobal.focus();

  let browser = gBrowser.getBrowserForTab(tab);
  yield BrowserTestUtils.browserLoaded(browser);
--- a/browser/components/sessionstore/test/content-forms.js
+++ b/browser/components/sessionstore/test/content-forms.js
@ -38,7 +38,7 @@ function queryElement(data) {

 function dispatchUIEvent(input, type) {
  let event = input.ownerDocument.createEvent("UIEvents");
-  event.initUIEvent(type, true, true, input.ownerDocument.defaultView, 0);
+  event.initUIEvent(type, true, true, input.ownerGlobal, 0);
  input.dispatchEvent(event);
 }

--- a/browser/components/syncedtabs/test/browser/browser_sidebar_syncedtabslist.js
+++ b/browser/components/syncedtabs/test/browser/browser_sidebar_syncedtabslist.js
@ -368,7 +368,7 @@ function* testContextMenu(syncedTabsDeckComponent, contextSelector, triggerSelec

  let promisePopupShown = BrowserTestUtils.waitForEvent(contextMenu, "popupshown");

-  let chromeWindow = triggerElement.ownerDocument.defaultView.top;
+  let chromeWindow = triggerElement.ownerGlobal.top;
  let rect = triggerElement.getBoundingClientRect();
  let contentRect = chromeWindow.SidebarUI.browser.getBoundingClientRect();
  // The offsets in `rect` are relative to the content window, but
--- a/browser/components/uitour/UITour.jsm
+++ b/browser/components/uitour/UITour.jsm
@ -364,7 +364,7 @@ this.UITour = {

  onPageEvent: function(aMessage, aEvent) {
    let browser = aMessage.target;
-    let window = browser.ownerDocument.defaultView;
+    let window = browser.ownerGlobal;

    // Does the window have tabs? We need to make sure since windowless browsers do
    // not have tabs.
@ -721,7 +721,7 @@ this.UITour = {
        // was generated originally. If the browser where the UI tour is loaded
        // is windowless, just ignore the request to close the tab. The request
        // is also ignored if this is the only tab in the window.
-        let tabBrowser = browser.ownerDocument.defaultView.gBrowser;
+        let tabBrowser = browser.ownerGlobal.gBrowser;
        if (tabBrowser && tabBrowser.browsers.length > 1) {
          tabBrowser.removeTab(tabBrowser.getTabForBrowser(browser));
        }
@ -755,7 +755,7 @@ this.UITour = {
    log.debug("handleEvent: type =", aEvent.type, "event =", aEvent);
    switch (aEvent.type) {
      case "TabSelect": {
-        let window = aEvent.target.ownerDocument.defaultView;
+        let window = aEvent.target.ownerGlobal;

        // Teardown the browser of the tab we just switched away from.
        if (aEvent.detail && aEvent.detail.previousTab) {
@ -972,7 +972,7 @@ this.UITour = {
  },

  isElementVisible: function(aElement) {
-    let targetStyle = aElement.ownerDocument.defaultView.getComputedStyle(aElement);
+    let targetStyle = aElement.ownerGlobal.getComputedStyle(aElement);
    return !aElement.ownerDocument.hidden &&
             targetStyle.display != "none" &&
             targetStyle.visibility == "visible";
@ -1825,7 +1825,7 @@ this.UITour = {
  },

  hideAnnotationsForPanel: function(aEvent, aTargetPositionCallback) {
-    let win = aEvent.target.ownerDocument.defaultView;
+    let win = aEvent.target.ownerGlobal;
    let annotationElements = new Map([
      // [annotationElement (panel), method to hide the annotation]
      [win.document.getElementById("UITourHighlightContainer"), UITour.hideHighlight.bind(UITour)],
@ -2063,7 +2063,7 @@ this.UITour = {
      if (observer) {
        return;
      }
-      let win = aPanelEl.ownerDocument.defaultView;
+      let win = aPanelEl.ownerGlobal;
      observer = new win.MutationObserver(this._annotationMutationCallback);
      this._annotationPanelMutationObservers.set(aPanelEl, observer);
      let observerOptions = {
--- a/browser/components/uitour/test/head.js
+++ b/browser/components/uitour/test/head.js
@ -54,7 +54,7 @@ function taskify(fun) {
 }

 function is_hidden(element) {
-  var style = element.ownerDocument.defaultView.getComputedStyle(element, "");
+  var style = element.ownerGlobal.getComputedStyle(element);
  if (style.display == "none")
    return true;
  if (style.visibility != "visible")
@ -70,7 +70,7 @@ function is_hidden(element) {
 }

 function is_visible(element) {
-  var style = element.ownerDocument.defaultView.getComputedStyle(element, "");
+  var style = element.ownerGlobal.getComputedStyle(element);
  if (style.display == "none")
    return false;
  if (style.visibility != "visible")
@ -223,7 +223,7 @@ function is_element_hidden(element, msg) {
 }

 function isTourBrowser(aBrowser) {
-  let chromeWindow = aBrowser.ownerDocument.defaultView;
+  let chromeWindow = aBrowser.ownerGlobal;
  return UITour.tourBrowsersByWindow.has(chromeWindow) &&
         UITour.tourBrowsersByWindow.get(chromeWindow).has(aBrowser);
 }
--- a/browser/extensions/pocket/content/Pocket.jsm
+++ b/browser/extensions/pocket/content/Pocket.jsm
@ -65,7 +65,7 @@ var Pocket = {
  },

  onPanelViewHiding(event) {
-    let window = event.target.ownerDocument.defaultView;
+    let window = event.target.ownerGlobal;
    window.pktUI.pocketPanelDidHide(event);
  },

--- a/browser/modules/AboutHome.jsm
+++ b/browser/modules/AboutHome.jsm
@ -110,7 +110,7 @@ var AboutHome = {
  },

  receiveMessage: function(aMessage) {
-    let window = aMessage.target.ownerDocument.defaultView;
+    let window = aMessage.target.ownerGlobal;

    switch (aMessage.name) {
      case "AboutHome:RestorePreviousSession":
--- a/browser/modules/CaptivePortalWatcher.jsm
+++ b/browser/modules/CaptivePortalWatcher.jsm
@ -165,7 +165,7 @@ this.CaptivePortalWatcher = {
      return;
    }

-    let tabbrowser = tab.ownerDocument.defaultView.gBrowser;
+    let tabbrowser = tab.ownerGlobal.gBrowser;

    // If after the login, the captive portal has redirected to some other page,
    // leave it open if the tab has focus.
--- a/browser/modules/CastingApps.jsm
+++ b/browser/modules/CastingApps.jsm
@ -79,7 +79,7 @@ var CastingApps = {
    if (!app)
      return;

-    video.title = videoElement.ownerDocument.defaultView.top.document.title;
+    video.title = videoElement.ownerGlobal.top.document.title;
    if (video.element) {
      // If the video is currently playing on the device, pause it
      if (!video.element.paused) {
--- a/browser/modules/ContentClick.jsm
+++ b/browser/modules/ContentClick.jsm
@ -32,7 +32,7 @@ var ContentClick = {
  contentAreaClick: function (json, browser) {
    // This is heavily based on contentAreaClick from browser.js (Bug 903016)
    // The json is set up in a way to look like an Event.
-    let window = browser.ownerDocument.defaultView;
+    let window = browser.ownerGlobal;

    if (!json.href) {
      // Might be middle mouse navigation.
--- a/browser/modules/ContentCrashHandlers.jsm
+++ b/browser/modules/ContentCrashHandlers.jsm
@ -79,7 +79,7 @@ this.TabCrashHandler = {

  receiveMessage: function(message) {
    let browser = message.target.browser;
-    let gBrowser = browser.ownerDocument.defaultView.gBrowser;
+    let gBrowser = browser.ownerGlobal.gBrowser;
    let tab = gBrowser.getTabForBrowser(browser);

    switch(message.name) {
--- a/browser/modules/ContentLinkHandler.jsm
+++ b/browser/modules/ContentLinkHandler.jsm
@ -43,7 +43,7 @@ this.ContentLinkHandler = {
      return;

    // Ignore sub-frames (bugs 305472, 479408).
-    let window = link.ownerDocument.defaultView;
+    let window = link.ownerGlobal;
    if (window != window.top)
      return;

--- a/browser/modules/ContentSearch.jsm
+++ b/browser/modules/ContentSearch.jsm
@ -230,17 +230,12 @@ this.ContentSearch = {
    let engine = Services.search.getEngineByName(data.engineName);
    let submission = engine.getSubmission(data.searchString, "", data.searchPurpose);
    let browser = msg.target;
-    let win;
-    try {
-      win = browser.ownerDocument.defaultView;
-    }
-    catch (err) {
+    let win = browser.ownerGlobal;
+    if (!win) {
      // The browser may have been closed between the time its content sent the
-      // message and the time we handle it.  In that case, trying to call any
-      // method on it will throw.
+      // message and the time we handle it.
      return;
    }
-
    let where = win.whereToOpenLink(data.originalEvent);

    // There is a chance that by the time we receive the search message, the user
@ -424,7 +419,7 @@ this.ContentSearch = {
  },

  _onMessageManageEngines: function (msg, data) {
-    let browserWin = msg.target.ownerDocument.defaultView;
+    let browserWin = msg.target.ownerGlobal;
    browserWin.openPreferences("paneSearch");
  },

--- a/browser/modules/FormSubmitObserver.jsm
+++ b/browser/modules/FormSubmitObserver.jsm
@ -107,7 +107,7 @@ FormSubmitObserver.prototype =
    // Insure that this is the FormSubmitObserver associated with the
    // element / window this notification is about.
    let element = aInvalidElements.queryElementAt(0, Ci.nsISupports);
-    if (this._content != element.ownerDocument.defaultView.top.document.defaultView) {
+    if (this._content != element.ownerGlobal.top.document.defaultView) {
      return;
    }

@ -201,7 +201,7 @@ FormSubmitObserver.prototype =
        (aElement.type == 'radio' || aElement.type == 'checkbox')) {
      panelData.position = "bottomcenter topleft";
    } else {
-      let win = aElement.ownerDocument.defaultView;
+      let win = aElement.ownerGlobal;
      let style = win.getComputedStyle(aElement, null);
      if (style.direction == 'rtl') {
        offset = parseInt(style.paddingRight) + parseInt(style.borderRightWidth);
--- a/browser/modules/FormValidationHandler.jsm
+++ b/browser/modules/FormValidationHandler.jsm
@ -48,7 +48,7 @@ var FormValidationHandler =
   */

  receiveMessage: function (aMessage) {
-    let window = aMessage.target.ownerDocument.defaultView;
+    let window = aMessage.target.ownerGlobal;
    let json = aMessage.json;
    let tabBrowser = window.gBrowser;
    switch (aMessage.name) {
--- a/browser/modules/NetworkPrioritizer.jsm
+++ b/browser/modules/NetworkPrioritizer.jsm
@ -74,12 +74,12 @@ var BrowserHelper = {
    _priorityBackup.set(aBrowser.permanentKey, Ci.nsISupportsPriority.PRIORITY_NORMAL);

    // If the tab is in the focused window, leave priority as it is
-    if (aBrowser.ownerDocument.defaultView != _lastFocusedWindow)
+    if (aBrowser.ownerGlobal != _lastFocusedWindow)
      this.decreasePriority(aBrowser);
  },

  onSelect: function NP_BH_onSelect(aBrowser) {
-    let windowEntry = WindowHelper.getEntry(aBrowser.ownerDocument.defaultView);
+    let windowEntry = WindowHelper.getEntry(aBrowser.ownerGlobal);
    if (windowEntry.lastSelectedBrowser)
      this.decreasePriority(windowEntry.lastSelectedBrowser);
    this.increasePriority(aBrowser);
--- a/browser/modules/PluginContent.jsm
+++ b/browser/modules/PluginContent.jsm
@ -247,7 +247,7 @@ PluginContent.prototype = {
      return false;
    }

-    let contentWindow = plugin.ownerDocument.defaultView;
+    let contentWindow = plugin.ownerGlobal;
    let cwu = contentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
                           .getInterface(Ci.nsIDOMWindowUtils);

@ -526,7 +526,7 @@ PluginContent.prototype = {

    let pluginHost = Cc["@mozilla.org/plugin/host;1"].getService(Ci.nsIPluginHost);
    let permissionString = pluginHost.getPermissionStringForType(objLoadingContent.actualType);
-    let principal = objLoadingContent.ownerDocument.defaultView.top.document.nodePrincipal;
+    let principal = objLoadingContent.ownerGlobal.top.document.nodePrincipal;
    let pluginPermission = Services.perms.testPermissionFromPrincipal(principal, permissionString);

    let isFallbackTypeValid =
@ -612,7 +612,7 @@ PluginContent.prototype = {
  onOverlayClick: function (event) {
    let document = event.target.ownerDocument;
    let plugin = document.getBindingParent(event.target);
-    let contentWindow = plugin.ownerDocument.defaultView.top;
+    let contentWindow = plugin.ownerGlobal.top;
    let objLoadingContent = plugin.QueryInterface(Ci.nsIObjectLoadingContent);
    let overlay = this.getPluginUI(plugin, "main");
    // Have to check that the target is not the link to update the plugin
--- a/browser/modules/ProcessHangMonitor.jsm
+++ b/browser/modules/ProcessHangMonitor.jsm
@ -347,7 +347,7 @@ var ProcessHangMonitor = {
  },

  handleEvent: function(event) {
-    let win = event.target.ownerDocument.defaultView;
+    let win = event.target.ownerGlobal;

    // If a new tab is selected or if a tab changes remoteness, then
    // we may need to show or hide a hang notification.
--- a/browser/modules/ReaderParent.jsm
+++ b/browser/modules/ReaderParent.jsm
@ -81,7 +81,7 @@ var ReaderParent = {
  },

  updateReaderButton: function(browser) {
-    let win = browser.ownerDocument.defaultView;
+    let win = browser.ownerGlobal;
    if (browser != win.gBrowser.selectedBrowser) {
      return;
    }
@ -134,7 +134,7 @@ var ReaderParent = {
  },

  toggleReaderMode: function(event) {
-    let win = event.target.ownerDocument.defaultView;
+    let win = event.target.ownerGlobal;
    let browser = win.gBrowser.selectedBrowser;
    browser.messageManager.sendAsyncMessage("Reader:ToggleReaderMode");
  },
@ -145,7 +145,7 @@ var ReaderParent = {
   * @param browser The <browser> that the tour should be started for.
   */
  showReaderModeInfoPanel(browser) {
-    let win = browser.ownerDocument.defaultView;
+    let win = browser.ownerGlobal;
    let targetPromise = UITour.getTarget(win, "readerMode-urlBar");
    targetPromise.then(target => {
      let browserBundle = Services.strings.createBundle("chrome://browser/locale/browser.properties");
--- a/browser/modules/RemotePrompt.jsm
+++ b/browser/modules/RemotePrompt.jsm
@ -35,7 +35,7 @@ var RemotePrompt = {
  },

  openTabPrompt: function(args, browser) {
-    let window = browser.ownerDocument.defaultView;
+    let window = browser.ownerGlobal;
    let tabPrompt = window.gBrowser.getTabModalPromptBox(browser)
    let callbackInvoked = false;
    let newPrompt;
@ -94,7 +94,7 @@ var RemotePrompt = {
  },

  openModalWindow: function(args, browser) {
-    let window = browser.ownerDocument.defaultView;
+    let window = browser.ownerGlobal;
    try {
      PromptUtils.fireDialogEvent(window, "DOMWillOpenModalDialog", browser);
      let bag = PromptUtils.objectToPropBag(args);
--- a/browser/modules/webrtcUI.jsm
+++ b/browser/modules/webrtcUI.jsm
@ -114,7 +114,7 @@ this.webrtcUI = {
      let types = {camera: state.camera, microphone: state.microphone,
                   screen: state.screen};
      let browser = aStream.browser;
-      let browserWindow = browser.ownerDocument.defaultView;
+      let browserWindow = browser.ownerGlobal;
      let tab = browserWindow.gBrowser &&
                browserWindow.gBrowser.getTabForBrowser(browser);
      return {uri: state.documentURI, tab: tab, browser: browser, types: types};
@ -129,7 +129,7 @@ this.webrtcUI = {
  },

  showSharingDoorhanger: function(aActiveStream, aType) {
-    let browserWindow = aActiveStream.browser.ownerDocument.defaultView;
+    let browserWindow = aActiveStream.browser.ownerGlobal;
    if (aActiveStream.tab) {
      browserWindow.gBrowser.selectedTab = aActiveStream.tab;
    } else {
@ -593,7 +593,7 @@ function prompt(aBrowser, aRequest) {
 }

 function removePrompt(aBrowser, aCallId) {
-  let chromeWin = aBrowser.ownerDocument.defaultView;
+  let chromeWin = aBrowser.ownerGlobal;
  let notification =
    chromeWin.PopupNotifications.getNotification("webRTC-shareDevices", aBrowser);
  if (notification && notification.callID == aCallId)
@ -875,7 +875,7 @@ function updateIndicators(data, target) {
 }

 function updateBrowserSpecificIndicator(aBrowser, aState) {
-  let chromeWin = aBrowser.ownerDocument.defaultView;
+  let chromeWin = aBrowser.ownerGlobal;
  let tabbrowser = chromeWin.gBrowser;
  if (tabbrowser) {
    let sharing;
@ -1009,7 +1009,7 @@ function updateBrowserSpecificIndicator(aBrowser, aState) {
 }

 function removeBrowserNotification(aBrowser, aNotificationId) {
-  let win = aBrowser.ownerDocument.defaultView;
+  let win = aBrowser.ownerGlobal;
  let notification =
    win.PopupNotifications.getNotification(aNotificationId, aBrowser);
  if (notification)