Make aura::clients take Window instead of RootWindow

ui/views/corewm/capture_controller.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_VIEWS_COREWM_CAPTURE_CONTROLLER_H_
 #define UI_VIEWS_COREWM_CAPTURE_CONTROLLER_H_
 
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ui/aura/client/capture_client.h"
 #include "ui/aura/window_observer.h"
 #include "ui/views/views_export.h"
 
+namespace aura {
+class RootWindow;
+}
+
 namespace views {
 namespace corewm {
 
 // Internal CaptureClient implementation. See ScopedCaptureClient for details.
 class VIEWS_EXPORT CaptureController : public aura::client::CaptureClient {
  public:
   // Adds |root| to the list of RootWindows notified when capture changes.
   void Attach(aura::RootWindow* root);
 
   // Removes |root| from the list of RootWindows notified when capture changes.
@@ skipping 52 matching lines @@
   // RootWindow this ScopedCaptureClient was create for.
   aura::RootWindow* root_window_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedCaptureClient);
 };
 
 }  // namespace corewm
 }  // namespace views
 
 #endif  // UI_VIEWS_COREWM_CAPTURE_CONTROLLER_H_