[DevTools] Add Toolbox page to undocked DevTools frontend.

Source/devtools/front_end/sdk/OverridesSupport.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
  * @implements {WebInspector.TargetManager.Observer}
  * @extends {WebInspector.Object}
  */
 WebInspector.OverridesSupport = function()
 {
     WebInspector.resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.MainFrameNavigated, this._onMainFrameNavigated.bind(this), this);
     this._deviceMetricsOverrideEnabled = false;
     this._emulateViewportEnabled = false;
     this._userAgent = "";
     this._pageResizer = null;
+    this._initialized = false;
     WebInspector.targetManager.observeTargets(this);
 }
 
 WebInspector.OverridesSupport.Events = {
     OverridesWarningUpdated: "OverridesWarningUpdated",
     HasActiveOverridesChanged: "HasActiveOverridesChanged",
 }
 
 /**
  * @interface
  * @extends {WebInspector.EventTarget}
  */
 WebInspector.OverridesSupport.PageResizer = function()
 {
 };
 
-WebInspector.OverridesSupport.PageResizer.Events = {
-    AvailableSizeChanged: "AvailableSizeChanged",  // No data.
-    ResizeRequested: "ResizeRequested"  // Data is of type {!Size}.
-};
-
 WebInspector.OverridesSupport.PageResizer.prototype = {
     /**
      * Zero width and height mean default size.
      * Scale should be applied to page-scale-dependent UI bits. Zero means no scale.
      * @param {number} dipWidth
      * @param {number} dipHeight
      * @param {number} scale
      */
     enable: function(dipWidth, dipHeight, scale) { },
 
@@ skipping 318 matching lines @@
 
 WebInspector.OverridesSupport.prototype = {
     /**
      * @param {?WebInspector.OverridesSupport.PageResizer} pageResizer
      */
     setPageResizer: function(pageResizer)
     {
         if (pageResizer === this._pageResizer)
             return;
 
-        if (this._pageResizer) {
+        if (this._pageResizer)
             this._pageResizer.disable();
-            this._pageResizer.removeEventListener(WebInspector.OverridesSupport.PageResizer.Events.AvailableSizeChanged, this._onPageResizerAvailableSizeChanged, this);
-            this._pageResizer.removeEventListener(WebInspector.OverridesSupport.PageResizer.Events.ResizeRequested, this._onPageResizerResizeRequested, this);
-        }
         this._pageResizer = pageResizer;
-        if (this._pageResizer) {
-            this._pageResizer.addEventListener(WebInspector.OverridesSupport.PageResizer.Events.AvailableSizeChanged, this._onPageResizerAvailableSizeChanged, this);
-            this._pageResizer.addEventListener(WebInspector.OverridesSupport.PageResizer.Events.ResizeRequested, this._onPageResizerResizeRequested, this);
-        }
-        this._deviceMetricsChanged();
+        if (this._initialized)
+            this._deviceMetricsChanged();
     },
 
     /**
      * @param {string} deviceMetrics
      * @param {string} userAgent
      */
     emulateDevice: function(deviceMetrics, userAgent)
     {
         this._deviceMetricsChangedListenerMuted = true;
         this._userAgentChangedListenerMuted = true;
@@ skipping 26 matching lines @@
         this._deviceMetricsChanged();
         this._userAgentChanged();
     },
 
     applyInitialOverrides: function()
     {
         if (!this._target) {
             this._applyInitialOverridesOnTargetAdded = true;
             return;
         }
+        this._initialized = true;
 
         if (this.settings.overrideDeviceOrientation.get())
             this._deviceOrientationChanged();
 
         if (this.settings.overrideGeolocation.get())
             this._geolocationPositionChanged();
 
         if (this.settings.emulateTouchEvents.get())
             this._emulateTouchEventsChanged();
 
@@ skipping 13 matching lines @@
     {
         if (this._userAgentChangedListenerMuted)
             return;
         var userAgent = this.settings.overrideUserAgent.get() ? this.settings.userAgent.get() : "";
         NetworkAgent.setUserAgentOverride(userAgent);
         this._updateUserAgentWarningMessage(this._userAgent !== userAgent ? WebInspector.UIString("You might need to reload the page for proper user agent spoofing and viewport rendering.") : "");
         this._userAgent = userAgent;
         this.maybeHasActiveOverridesChanged();
     },
 
-    _onPageResizerAvailableSizeChanged: function()
+    pageResizerAvailableSizeChanged: function()
     {
         this._deviceMetricsChanged();
     },
 
-    _onPageResizerResizeRequested: function(event)
+    /**
+     * @param {!Size} size
+     */
+    pageResizerResizeRequested: function(size)
     {
         if (!this.settings.overrideDeviceMetrics.get())
             return;
 
-        var size = /** @type {!Size} */ (event.data);
         var metrics = WebInspector.OverridesSupport.DeviceMetrics.parseSetting(this.settings.deviceMetrics.get());
         if (!metrics.isValid())
             return;
 
         metrics.width = size.width;
         metrics.height = size.height;
         var value = metrics.toSetting();
         if (this.settings.deviceMetrics.get() === value)
             return;
 
@@ skipping 280 matching lines @@
     },
 
     __proto__: WebInspector.Object.prototype
 }
 
 
 /**
  * @type {!WebInspector.OverridesSupport}
  */
 WebInspector.overridesSupport;