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

chrome/browser/ui/views/frame/browser_frame_ashwin.h

+// Copyright 2013 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 CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_ASHWIN_H_
+#define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_ASHWIN_H_
+
+#include "chrome/browser/ui/views/frame/browser_frame_ash.h"
+
+// A NativeWidgetAura subclass that provides Windows-specific behavior on the
+// Ash desktop for Metro mode.
+class BrowserFrameAshWin : public BrowserFrameAsh {
+ public:
+  BrowserFrameAshWin(BrowserFrame* browser_frame, BrowserView* browser_view);
+
+ protected:
+  virtual ~BrowserFrameAshWin();
+
+  // Overridden from aura::client::ActivationChangeObserver:
+  virtual void OnWindowFocused(aura::Window* gained_focus,
+                               aura::Window* lost_focus) OVERRIDE;
+ private:
+  DISALLOW_COPY_AND_ASSIGN(BrowserFrameAshWin);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_ASHWIN_H_