[DevTools] Remove WI.OverridesSupport.responsiveDesignAvailable.

Source/devtools/front_end/emulation/OverridesView.js

 /*
  * Copyright (C) 2014 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 39 matching lines @@
 
     this._lastSelectedTabSetting = WebInspector.settings.createSetting("lastSelectedEmulateTab", "device");
     this._tabbedPane.selectTab(this._lastSelectedTabSetting.get());
     this._tabbedPane.addEventListener(WebInspector.TabbedPane.EventTypes.TabSelected, this._tabSelected, this);
     this._tabbedPane.show(this.element);
 
     var resetButtonElement = createTextButton(WebInspector.UIString("Reset"), WebInspector.overridesSupport.reset.bind(WebInspector.overridesSupport));
     resetButtonElement.id = "overrides-reset-button";
     this._tabbedPane.appendAfterTabStrip(resetButtonElement);
 
-    if (!WebInspector.overridesSupport.responsiveDesignAvailable()) {
-        var disableButtonElement = createTextButton(WebInspector.UIString("Disable"), this._toggleEmulationEnabled.bind(this), "overrides-disable-button");
-        disableButtonElement.id = "overrides-disable-button";
-        this._tabbedPane.appendAfterTabStrip(disableButtonElement);
-    }
+    var disableButtonElement = createTextButton(WebInspector.UIString("Disable"), this._toggleEmulationEnabled.bind(this), "overrides-disable-button");
+    disableButtonElement.id = "overrides-disable-button";
+    this._tabbedPane.appendAfterTabStrip(disableButtonElement);
 
     this._splashScreenElement = this.element.createChild("div", "overrides-splash-screen");
+    this._splashScreenElement.appendChild(createTextButton(WebInspector.UIString("Enable emulation"), this._toggleEmulationEnabled.bind(this), "overrides-enable-button"));
+
     this._unavailableSplashScreenElement = this.element.createChild("div", "overrides-splash-screen");
     this._unavailableSplashScreenElement.createTextChild(WebInspector.UIString("Emulation is not available."));
 
-    if (WebInspector.overridesSupport.responsiveDesignAvailable()) {
-        this._splashScreenElement.createTextChild(WebInspector.UIString("Emulation is currently disabled. Toggle "));
-        var toolbar = new WebInspector.Toolbar(this._splashScreenElement);
-        var toggleEmulationButton = new WebInspector.ToolbarButton("", "emulation-toolbar-item");
-        toggleEmulationButton.addEventListener("click", this._toggleEmulationEnabled, this);
-        toolbar.appendToolbarItem(toggleEmulationButton);
-        this._splashScreenElement.createTextChild(WebInspector.UIString("in the main toolbar to enable it."));
-    } else {
-        this._splashScreenElement.appendChild(createTextButton(WebInspector.UIString("Enable emulation"), this._toggleEmulationEnabled.bind(this), "overrides-enable-button"));
-    }
-
     this._warningFooter = this.element.createChild("div", "overrides-footer");
     this._overridesWarningUpdated();
 
     WebInspector.overridesSupport.addEventListener(WebInspector.OverridesSupport.Events.OverridesWarningUpdated, this._overridesWarningUpdated, this);
     WebInspector.overridesSupport.addEventListener(WebInspector.OverridesSupport.Events.EmulationStateChanged, this._emulationStateChanged, this);
     this._emulationStateChanged();
 }
 
 WebInspector.OverridesView.prototype = {
     /**
@@ skipping 556 matching lines @@
      * @override
      * @param {!Object} overridesSupport
      * @return {!Promise}
      */
     reveal: function(overridesSupport)
     {
         WebInspector.inspectorView.showViewInDrawer("emulation");
         return Promise.resolve();
     }
 }