[DevTools] Add Toolbox page to undocked DevTools frontend.

Source/devtools/front_end/sdk/OverridesSupport.js

Index: Source/devtools/front_end/sdk/OverridesSupport.js
diff --git a/Source/devtools/front_end/sdk/OverridesSupport.js b/Source/devtools/front_end/sdk/OverridesSupport.js
index 986f56a6ec1d2a5ebb4cec09fa4f18459b252493..3a452b84f60576f48628306a4e7071d330412750 100644
--- a/Source/devtools/front_end/sdk/OverridesSupport.js
+++ b/Source/devtools/front_end/sdk/OverridesSupport.js
@@ -40,6 +40,7 @@ WebInspector.OverridesSupport = function()
     this._emulateViewportEnabled = false;
     this._userAgent = "";
     this._pageResizer = null;
+    this._initialized = false;
     WebInspector.targetManager.observeTargets(this);
 }
 
@@ -56,11 +57,6 @@ 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.
@@ -399,17 +395,11 @@ WebInspector.OverridesSupport.prototype = {
         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();
     },
 
     /**
@@ -456,6 +446,7 @@ WebInspector.OverridesSupport.prototype = {
             this._applyInitialOverridesOnTargetAdded = true;
             return;
         }
+        this._initialized = true;
 
         if (this.settings.overrideDeviceOrientation.get())
             this._deviceOrientationChanged();
@@ -489,17 +480,19 @@ WebInspector.OverridesSupport.prototype = {
         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;