DevTools: request app banner from DevTools without #enable-add-to-shelf flag while emulating.

third_party/WebKit/Source/devtools/front_end/emulation/DeviceModeWrapper.js

 // Copyright 2016 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.
 
 /**
  * @extends {WebInspector.VBox}
  * @param {!WebInspector.InspectedPagePlaceholder} inspectedPagePlaceholder
  * @constructor
  */
 WebInspector.DeviceModeWrapper = function(inspectedPagePlaceholder)
@@ skipping 62 matching lines @@
      * @param {string} actionId
      * @return {boolean}
      */
     handleAction: function(context, actionId)
     {
         if (WebInspector.DeviceModeView._wrapperInstance) {
             if (actionId === "emulation.toggle-device-mode") {
                 WebInspector.DeviceModeView._wrapperInstance._toggleDeviceMode();
                 return true;
             }
-            if (actionId === "emulation.request-app-banner") {
-                var target = WebInspector.targetManager.mainTarget();
-                if (target && target.isPage())
-                    target.pageAgent().requestAppBanner();
-                return true;
-            }
         }
         return false;
     }
 }