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

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 277 matching lines @@
 
   // Can only have one of these operations in flight.
   DCHECK(select_folder_completion_callback_.is_null());
   DCHECK(failure_callback_.is_null());
   select_folder_completion_callback_ = on_success;
   failure_callback_ = on_failure;
 
   host_->Send(new MetroViewerHostMsg_DisplaySelectFolder(title));
 }
 
+bool RemoteRootWindowHostWin::IsForegroundWindow() {
+  return ::GetForegroundWindow() == remote_window_;
+}
+
 Window* RemoteRootWindowHostWin::GetAshWindow() {
   return GetRootWindow()->window();
 }
 
 void RemoteRootWindowHostWin::SetDelegate(RootWindowHostDelegate* delegate) {
   delegate_ = delegate;
 }
 
 RootWindow* RemoteRootWindowHostWin::GetRootWindow() {
   return delegate_->AsRootWindow();
@@ skipping 302 matching lines @@
 }
 
 void RemoteRootWindowHostWin::SetEventFlags(uint32 flags) {
   if (flags == event_flags_)
     return;
   event_flags_ = flags;
   SetVirtualKeyStates(event_flags_);
 }
 
 }  // namespace aura