[DevTools] Extract DeviceModeButton from AdvancedApp.

Source/devtools/front_end/main/AdvancedApp.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @constructor
  * @implements {WebInspector.App}
  */
 WebInspector.AdvancedApp = function()
 {
-    this._toggleEmulationButton = new WebInspector.ToolbarButton(WebInspector.UIString("Toggle device mode"), "emulation-toolbar-item");
-    this._toggleEmulationButton.setToggled(WebInspector.overridesSupport.emulationEnabled());
-    this._toggleEmulationButton.addEventListener("click", this._toggleEmulationEnabled, this);
-    WebInspector.overridesSupport.addEventListener(WebInspector.OverridesSupport.Events.EmulationStateChanged, this._emulationEnabledChanged, this);
-    WebInspector.overridesSupport.addEventListener(WebInspector.OverridesSupport.Events.OverridesWarningUpdated, this._overridesWarningUpdated, this);
     WebInspector.dockController.addEventListener(WebInspector.DockController.Events.BeforeDockSideChanged, this._openToolboxWindow, this);
 };
 
 WebInspector.AdvancedApp.prototype = {
-    _toggleEmulationEnabled: function()
-    {
-        var enabled = !this._toggleEmulationButton.toggled();
-        WebInspector.overridesSupport.setEmulationEnabled(enabled);
-    },
-
-    _emulationEnabledChanged: function()
-    {
-        this._toggleEmulationButton.setToggled(WebInspector.overridesSupport.emulationEnabled());
-    },
-
-    _overridesWarningUpdated: function()
-    {
-        if (!this._toggleEmulationButton)
-            return;
-        var message = WebInspector.overridesSupport.warningMessage();
-        this._toggleEmulationButton.setTitle(message || WebInspector.UIString("Toggle device mode"));
-        this._toggleEmulationButton.element.classList.toggle("warning", !!message);
-    },
-
     /**
      * @param {!Document} document
      * @override
      */
     presentUI: function(document)
     {
         var rootView = new WebInspector.RootView();
 
         this._rootSplitWidget = new WebInspector.SplitWidget(false, true, "InspectorView.splitViewState", 555, 300, true);
         this._rootSplitWidget.show(rootView.element);
 
         this._rootSplitWidget.setSidebarWidget(WebInspector.inspectorView);
 
         this._inspectedPagePlaceholder = new WebInspector.InspectedPagePlaceholder();
         this._inspectedPagePlaceholder.addEventListener(WebInspector.InspectedPagePlaceholder.Events.Update, this._onSetInspectedPageBounds.bind(this, false), this);
         this._responsiveDesignView = new WebInspector.ResponsiveDesignView(this._inspectedPagePlaceholder);
         this._rootSplitWidget.setMainWidget(this._responsiveDesignView);
 
         WebInspector.dockController.addEventListener(WebInspector.DockController.Events.BeforeDockSideChanged, this._onBeforeDockSideChange, this);
         WebInspector.dockController.addEventListener(WebInspector.DockController.Events.DockSideChanged, this._onDockSideChange, this);
         WebInspector.dockController.addEventListener(WebInspector.DockController.Events.AfterDockSideChanged, this._onAfterDockSideChange, this);
         this._onDockSideChange();
 
-        this._overridesWarningUpdated();
-
         WebInspector.inspectorView.showInitialPanel();
         console.timeStamp("AdvancedApp.attachToBody");
         rootView.attachToDocument(document);
         this._inspectedPagePlaceholder.update();
     },
 
     /**
      * @param {!WebInspector.Event} event
      */
     _openToolboxWindow: function(event)
@@ skipping 155 matching lines @@
 WebInspector.AdvancedAppProvider.prototype = {
     /**
      * @override
      * @return {!WebInspector.App}
      */
     createApp: function()
     {
         return WebInspector.AdvancedApp._instance();
     }
 };
-
-/**
- * @constructor
- * @implements {WebInspector.ToolbarItem.Provider}
- */
-WebInspector.AdvancedApp.EmulationButtonProvider = function()
-{
-}
-
-WebInspector.AdvancedApp.EmulationButtonProvider.prototype = {
-    /**
-     * @override
-     * @return {?WebInspector.ToolbarItem}
-     */
-    item: function()
-    {
-        return WebInspector.AdvancedApp._instance()._toggleEmulationButton;
-    }
-}
-
-/**
- * @constructor
- * @implements {WebInspector.ActionDelegate}
- */
-WebInspector.AdvancedApp.ToggleDeviceModeActionDelegate = function()
-{
-}
-
-WebInspector.AdvancedApp.ToggleDeviceModeActionDelegate.prototype = {
-    /**
-     * @override
-     * @param {!WebInspector.Context} context
-     * @param {string} actionId
-     */
-    handleAction: function(context, actionId)
-    {
-        WebInspector.AdvancedApp._instance()._toggleEmulationEnabled();
-    }
-}