[win8] Force browsers created with Chrome in Metro mode to be on the Ash desktop.

ui/aura/remote_root_window_host_win.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 UI_AURA_REMOTE_ROOT_WINDOW_HOST_WIN_H_
 #define UI_AURA_REMOTE_ROOT_WINDOW_HOST_WIN_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 124 matching lines @@
                       const SaveFileCompletion& on_success,
                       const FileSelectionCanceled& on_failure);
 
   void HandleSelectFolder(const base::string16& title,
                           const SelectFolderCompletion& on_success,
                           const FileSelectionCanceled& on_failure);
 
   // Returns the active ASH root window.
   Window* GetAshWindow();
 
+  // Returns true if the remote window is the foreground window according to the
+  // OS.
+  bool IsForegroundWindow();
+
  private:
   explicit RemoteRootWindowHostWin(const gfx::Rect& bounds);
   virtual ~RemoteRootWindowHostWin();
 
   // IPC message handing methods:
   void OnMouseMoved(int32 x, int32 y, int32 flags);
   void OnMouseButton(int32 x,
                      int32 y,
                      int32 extra,
                      ui::EventType type,
@@ skipping 105 matching lines @@
   // State of the keyboard/mouse at the time of the last input event. See
   // description of SetEventFlags().
   uint32 event_flags_;
 
   DISALLOW_COPY_AND_ASSIGN(RemoteRootWindowHostWin);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_REMOTE_ROOT_WINDOW_HOST_WIN_H_