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

ui/aura/remote_root_window_host_win.cc

 // 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.
 
 #include "ui/aura/remote_root_window_host_win.h"
 
 #include <windows.h>
 
 #include <algorithm>
 
@@ skipping 154 matching lines @@
                         OnWindowActivated)
     IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SetCursorPosAck,
                         OnSetCursorPosAck)
     IPC_MESSAGE_HANDLER(MetroViewerHostMsg_WindowSizeChanged,
                         OnWindowSizeChanged)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
+void RemoteRootWindowHostWin::HandleOpenURLOnDesktop(
+    const base::FilePath& shortcut,
+    const base::string16& url) {
+  if (!host_)
+    return;
+  host_->Send(new MetroViewerHostMsg_OpenURLOnDesktop(shortcut, url));
+}
+
 void RemoteRootWindowHostWin::HandleOpenFile(
     const base::string16& title,
     const base::FilePath& default_path,
     const base::string16& filter,
     const OpenFileCompletion& on_success,
     const FileSelectionCanceled& on_failure) {
   if (!host_)
     return;
 
   // Can only have one of these operations in flight.
@@ skipping 377 matching lines @@
   } else {
     ui::KeyEvent event(type,
                        ui::KeyboardCodeForWindowsKeyCode(vkey),
                        flags,
                        is_character);
     delegate_->OnHostKeyEvent(&event);
   }
 }
 
 }  // namespace aura