Remove some pass-thrus on RootWindow API in favor of exposing the RootWindowHost again.

ui/aura/root_window_host_ozone.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 UI_AURA_ROOT_WINDOW_HOST_OZONE_H_
 #define UI_AURA_ROOT_WINDOW_HOST_OZONE_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/events/ozone/event_factory_ozone.h"
 #include "ui/gfx/insets.h"
 #include "ui/gfx/rect.h"
 
 namespace aura {
 
 class RootWindowHostOzone : public RootWindowHost,
                             public base::MessageLoop::Dispatcher {
  public:
   explicit RootWindowHostOzone(const gfx::Rect& bounds);
   virtual ~RootWindowHostOzone();
 
  private:
   // Overridden from Dispatcher overrides:
   virtual bool Dispatch(const base::NativeEvent& event) OVERRIDE;
 
   // RootWindowHost Overrides.
-  virtual void SetDelegate(RootWindowHostDelegate* delegate) OVERRIDE;
   virtual RootWindow* GetRootWindow() OVERRIDE;
   virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
   virtual void Show() OVERRIDE;
   virtual void Hide() OVERRIDE;
   virtual void ToggleFullScreen() OVERRIDE;
   virtual gfx::Rect GetBounds() const OVERRIDE;
   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
   virtual gfx::Insets GetInsets() const OVERRIDE;
   virtual void SetInsets(const gfx::Insets& bounds) OVERRIDE;
   virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE;
   virtual void SetCapture() OVERRIDE;
   virtual void ReleaseCapture() OVERRIDE;
   virtual void SetCursor(gfx::NativeCursor cursor_type) OVERRIDE;
   virtual bool QueryMouseLocation(gfx::Point* location_return) OVERRIDE;
   virtual bool ConfineCursorToRootWindow() OVERRIDE;
   virtual void UnConfineCursor() OVERRIDE;
   virtual void OnCursorVisibilityChanged(bool show) OVERRIDE;
   virtual void MoveCursorTo(const gfx::Point& location) OVERRIDE;
-  virtual void SetFocusWhenShown(bool focus_when_shown) OVERRIDE;
   virtual void PostNativeEvent(const base::NativeEvent& event) OVERRIDE;
   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
   virtual void PrepareForShutdown() OVERRIDE;
 
-  RootWindowHostDelegate* delegate_;
   gfx::AcceleratedWidget widget_;
   gfx::Rect bounds_;
 
   // EventFactoryOzone creates converters that obtain input events from the
   // underlying input system and dispatch them as |ui::Event| instances into
   // Aura.
   scoped_ptr<ui::EventFactoryOzone> factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RootWindowHostOzone);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_ROOT_WINDOW_HOST_OZONE_H_