Make the metro viewer responsible for relaunching browser in desktop mode.

win8/metro_driver/chrome_app_view_ash.h

 // 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.
 
 #ifndef WIN8_METRO_DRIVER_CHROME_APP_VIEW_ASH_H_
 #define WIN8_METRO_DRIVER_CHROME_APP_VIEW_ASH_H_
 
 #include <windows.applicationmodel.core.h>
 #include <windows.ui.core.h>
 #include <windows.ui.input.h>
 #include <windows.ui.viewmanagement.h>
 
-#include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string16.h"
 #include "ui/base/events/event_constants.h"
 #include "win8/metro_driver/direct3d_helper.h"
 
+namespace base {
+class FilePath;
+}
+
 namespace IPC {
-  class Listener;
-  class ChannelProxy;
+class Listener;
+class ChannelProxy;
 }
 
 class OpenFilePickerSession;
 class SaveFilePickerSession;
 class FolderPickerSession;
 class FilePickerSessionBase;
 
 struct MetroViewerHostMsg_SaveAsDialogParams;
 
 class ChromeAppViewAsh
     : public mswr::RuntimeClass<winapp::Core::IFrameworkView> {
  public:
   ChromeAppViewAsh();
   ~ChromeAppViewAsh();
 
   // IViewProvider overrides.
   IFACEMETHOD(Initialize)(winapp::Core::ICoreApplicationView* view);
   IFACEMETHOD(SetWindow)(winui::Core::ICoreWindow* window);
   IFACEMETHOD(Load)(HSTRING entryPoint);
   IFACEMETHOD(Run)();
   IFACEMETHOD(Uninitialize)();
 
   // Helper function to unsnap the chrome metro app if it is snapped.
   // Returns S_OK on success.
   static HRESULT Unsnap();
 
+  void OnOpenURLOnDesktop(const base::FilePath& shortcut, const string16& url);
   void OnSetCursor(HCURSOR cursor);
   void OnDisplayFileOpenDialog(const string16& title,
                                const string16& filter,
                                const base::FilePath& default_path,
                                bool allow_multiple_files);
   void OnDisplayFileSaveAsDialog(
       const MetroViewerHostMsg_SaveAsDialogParams& params);
   void OnDisplayFolderPicker(const string16& title);
   void OnSetCursorPos(int x, int y);
 
@@ skipping 93 matching lines @@
   IPC::ChannelProxy* ui_channel_;
 
   // The actual window behind the view surface.
   HWND core_window_hwnd_;
 
   // UI message loop to allow message passing into this thread.
   base::MessageLoop ui_loop_;
 };
 
 #endif  // WIN8_METRO_DRIVER_CHROME_APP_VIEW_ASH_H_