[DevTools] Move device mode button to AdvancedApp and add shortcut.

Source/devtools/front_end/main/App.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.Console.UIDelegate}
  */
 WebInspector.App = function()
 {
-    if (WebInspector.overridesSupport.responsiveDesignAvailable()) {
-        this._toggleEmulationButton = new WebInspector.StatusBarButton(WebInspector.UIString("Toggle device mode."), "emulation-status-bar-item");
-        this._toggleEmulationButton.toggled = 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.console.setUIDelegate(this);
 };
 
 WebInspector.App.prototype = {
-    _toggleEmulationEnabled: function()
-    {
-        WebInspector.overridesSupport.setEmulationEnabled(!this._toggleEmulationButton.toggled);
-    },
-
-    _emulationEnabledChanged: function()
-    {
-        this._toggleEmulationButton.toggled = WebInspector.overridesSupport.emulationEnabled();
-        if (!WebInspector.overridesSupport.responsiveDesignAvailable() && WebInspector.overridesSupport.emulationEnabled())
-            WebInspector.inspectorView.showViewInDrawer("emulation", true);
-    },
-
-    _overridesWarningUpdated: function()
-    {
-        if (!this._toggleEmulationButton)
-            return;
-        var message = WebInspector.overridesSupport.warningMessage();
-        this._toggleEmulationButton.title = message || WebInspector.UIString("Toggle device mode.");
-        this._toggleEmulationButton.element.classList.toggle("warning", !!message);
-    },
-
     createRootView: function()
     {
     },
 
     /**
      * @param {!WebInspector.Target} mainTarget
      */
     presentUI: function(mainTarget)
     {
         WebInspector.inspectorView.showInitialPanel();
 
         WebInspector.overridesSupport.applyInitialOverrides();
         if (!WebInspector.overridesSupport.responsiveDesignAvailable() && WebInspector.overridesSupport.emulationEnabled())
             WebInspector.inspectorView.showViewInDrawer("emulation", true);
-        this._overridesWarningUpdated();
     },
 
     showConsole: function()
     {
         WebInspector.Revealer.reveal(WebInspector.console);
     }
 };
 
 /**
- * @constructor
- * @implements {WebInspector.StatusBarButton.Provider}
- */
-WebInspector.App.EmulationButtonProvider = function()
-{
-}
-
-WebInspector.App.EmulationButtonProvider.prototype = {
-    /**
-     * @return {?WebInspector.StatusBarButton}
-     */
-    button: function()
-    {
-        if (!(WebInspector.app instanceof WebInspector.App))
-            return null;
-        return WebInspector.app._toggleEmulationButton || null;
-    }
-}
-
-/**
  * @type {!WebInspector.App}
  */
 WebInspector.app;