Simplify IOSurface CoreAnimation code: Part 2

content/browser/renderer_host/render_widget_host_view_mac.h

Index: content/browser/renderer_host/render_widget_host_view_mac.h
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.h b/content/browser/renderer_host/render_widget_host_view_mac.h
index a376f772e289ac3e35117bb2ada81b1fcccb3a60..5728d1c38662f2db6f2b983a0f801f10c1f77dd6 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.h
+++ b/content/browser/renderer_host/render_widget_host_view_mac.h
@@ -6,7 +6,6 @@
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
-#include <IOSurface/IOSurfaceAPI.h>
 #include <list>
 #include <map>
 #include <string>
@@ -19,7 +18,6 @@
 #include "base/time/time.h"
 #include "content/browser/compositor/browser_compositor_view_mac.h"
 #include "content/browser/compositor/delegated_frame_host.h"
-#include "content/browser/renderer_host/compositing_iosurface_layer_mac.h"
 #include "content/browser/renderer_host/display_link_mac.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/browser/renderer_host/software_frame_manager.h"
@@ -207,7 +205,6 @@ class CONTENT_EXPORT RenderWidgetHostViewMac
       public DelegatedFrameHostClient,
       public BrowserCompositorViewMacClient,
       public IPC::Sender,
-      public CompositingIOSurfaceLayerClient,
       public gfx::DisplayObserver {
  public:
   // The view will associate itself with the given widget. The native view must
@@ -329,11 +326,6 @@ class CONTENT_EXPORT RenderWidgetHostViewMac
 
   virtual SkColorType PreferredReadbackFormat() OVERRIDE;
 
-  // CompositingIOSurfaceLayerClient implementation.
-  virtual bool AcceleratedLayerShouldAckImmediately() const OVERRIDE;
-  virtual void AcceleratedLayerDidDrawFrame() OVERRIDE;
-  virtual void AcceleratedLayerHitError() OVERRIDE;
-
   // gfx::DisplayObserver implementation.
   virtual void OnDisplayAdded(const gfx::Display& new_display) OVERRIDE;
   virtual void OnDisplayRemoved(const gfx::Display& old_display) OVERRIDE;