Explicitly specify the ui::Compositor to DelegatedFrameHost

content/browser/renderer_host/render_widget_host_view_aura.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 CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 297 matching lines @@
   // Overridden from aura::client::CursorClientObserver:
   void OnCursorVisibilityChanged(bool is_visible) override;
 
   // Overridden from aura::client::FocusChangeObserver:
   void OnWindowFocused(aura::Window* gained_focus,
                        aura::Window* lost_focus) override;
 
   // Overridden from aura::WindowTreeHostObserver:
   void OnHostMoved(const aura::WindowTreeHost* host,
                    const gfx::Point& new_origin) override;
+  void OnHostCompositorWillBeDestroyed(
+      const aura::WindowTreeHost* host) override;
 
   void OnTextInputStateChanged(const ViewHostMsg_TextInputState_Params& params);
 
 #if defined(OS_WIN)
   // Sets the cutout rects from constrained windows. These are rectangles that
   // windowed NPAPI plugins shouldn't paint in. Overwrites any previous cutout
   // rects.
   void UpdateConstrainedWindowRects(const std::vector<gfx::Rect>& rects);
 
   // Updates the cursor clip region. Used for mouse locking.
@@ skipping 115 matching lines @@
   // moved to center.
   bool ShouldMoveToCenter();
 
   // Called after |window_| is parented to a WindowEventDispatcher.
   void AddedToRootWindow();
 
   // Called prior to removing |window_| from a WindowEventDispatcher.
   void RemovingFromRootWindow();
 
   // DelegatedFrameHostClient implementation.
-  ui::Compositor* GetCompositor() const override;
   ui::Layer* GetLayer() override;
   RenderWidgetHostImpl* GetHost() override;
   bool IsVisible() override;
   scoped_ptr<ResizeLock> CreateResizeLock(bool defer_compositor_lock) override;
   gfx::Size DesiredFrameSize() override;
   float CurrentDeviceScaleFactor() override;
   gfx::Size ConvertViewSizeToPixel(const gfx::Size& size) override;
 
   // Detaches |this| from the input method object.
   void DetachFromInputMethod();
@@ skipping 172 matching lines @@
   // compositing surface and showing the disambiguation popup.
   gfx::Vector2dF disambiguation_scroll_offset_;
 
   base::WeakPtrFactory<RenderWidgetHostViewAura> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAura);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_