Explicitly specify the ui::Compositor to DelegatedFrameHost

content/browser/renderer_host/render_widget_host_view_mac.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_MAC_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 #include <IOSurface/IOSurfaceAPI.h>
 #include <list>
@@ skipping 432 matching lines @@
 
   // Update the scale factor for the backing store and for any CALayers.
   void UpdateBackingStoreScaleFactor();
 
   // Ensure that the display link is associated with the correct display.
   void UpdateDisplayLink();
 
   void PauseForPendingResizeOrRepaintsAndDraw();
 
   // 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;
   DelegatedFrameHost* GetDelegatedFrameHost() const override;
 
   // AcceleratedWidgetMacNSView implementation.
@@ skipping 88 matching lines @@
 
   // Factory used to safely scope delayed calls to ShutdownHost().
   base::WeakPtrFactory<RenderWidgetHostViewMac> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMac);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_