App windows launched in windows ASH should not be messing with the AppUserModelId for the remote HW…

chrome/browser/ui/views/apps/chrome_native_app_window_views_win.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_APPS_CHROME_NATIVE_APP_WINDOW_VIEWS_WIN_H_
 #define CHROME_BROWSER_UI_VIEWS_APPS_CHROME_NATIVE_APP_WINDOW_VIEWS_WIN_H_
 
 #include "chrome/browser/ui/views/apps/chrome_native_app_window_views.h"
 
 namespace web_app {
@@ skipping 36 matching lines @@
   // Overridden from extensions::NativeAppWindow:
   virtual void UpdateShelfMenu() OVERRIDE;
 
   // Populated if there is a glass frame, which provides special information
   // to the native widget implementation. This will be NULL if there is no
   // glass frame. Note, this can change from NULL to non-NULL and back again
   // throughout the life of a window, e.g. if DWM is enabled and disabled.
   GlassAppWindowFrameViewWin* glass_frame_view_;
 
   // The Windows Application User Model ID identifying the app.
+  // Not set for windows running inside Ash.
   base::string16 app_model_id_;
 
   base::WeakPtrFactory<ChromeNativeAppWindowViewsWin> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeNativeAppWindowViewsWin);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_APPS_CHROME_NATIVE_APP_WINDOW_VIEWS_WIN_H_