Don't use browser windows for platform app shell windows

chrome/browser/tab_contents/render_view_context_menu.h

Index: chrome/browser/tab_contents/render_view_context_menu.h
diff --git a/chrome/browser/tab_contents/render_view_context_menu.h b/chrome/browser/tab_contents/render_view_context_menu.h
index 9bfd5edf6b75fb59f407e5f43bd4ecebd2e4d326..d07bb49aa563f75241ec359a68211117a81d3833 100644
--- a/chrome/browser/tab_contents/render_view_context_menu.h
+++ b/chrome/browser/tab_contents/render_view_context_menu.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -193,6 +193,11 @@ class RenderViewContextMenu : public ui::SimpleMenuModel::Delegate,
       const ContextMenuParams& params,
       Profile* profile,
       bool can_cross_incognito);
+
+  // Gets the platform app (if any) associated with the TabContents that we're
+  // in.
+  const Extension* GetPlatformApp() const;
+  void AppendPlatformAppItems();
   bool AppendCustomItems();
   void AppendDeveloperItems();
   void AppendLinkItems();