cc: Implement unified BeginFrame on aura

content/browser/compositor/browser_compositor_output_surface.h

 // Copyright 2014 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_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
 #define CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
 
 #include "base/threading/non_thread_safe.h"
 #include "cc/output/output_surface.h"
 #include "content/common/content_export.h"
-#include "ui/compositor/compositor_vsync_manager.h"
 
 namespace cc {
 class SoftwareOutputDevice;
 }
 
 namespace content {
 class ContextProviderCommandBuffer;
 class ReflectorImpl;
 class WebGraphicsContext3DCommandBufferImpl;
 
 class CONTENT_EXPORT BrowserCompositorOutputSurface
-    : public cc::OutputSurface,
-      public ui::CompositorVSyncManager::Observer {
+    : public cc::OutputSurface {
  public:
   ~BrowserCompositorOutputSurface() override;
 
   // cc::OutputSurface implementation.
   bool BindToClient(cc::OutputSurfaceClient* client) override;
 
-  // ui::CompositorOutputSurface::Observer implementation.
-  void OnUpdateVSyncParameters(base::TimeTicks timebase,
-                               base::TimeDelta interval) override;
-
   void OnUpdateVSyncParametersFromGpu(base::TimeTicks tiembase,
                                       base::TimeDelta interval);
 
   void SetReflector(ReflectorImpl* reflector);
 
 #if defined(OS_MACOSX)
   virtual void OnSurfaceDisplayed() = 0;
   virtual void OnSurfaceRecycled() = 0;
   virtual bool ShouldNotShowFramesAfterRecycle() const = 0;
 #endif
 
  protected:
   // Constructor used by the accelerated implementation.
-  BrowserCompositorOutputSurface(
-      const scoped_refptr<cc::ContextProvider>& context,
-      const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager);
+  explicit BrowserCompositorOutputSurface(
+      const scoped_refptr<cc::ContextProvider>& context);
 
   // Constructor used by the software implementation.
-  BrowserCompositorOutputSurface(
-      scoped_ptr<cc::SoftwareOutputDevice> software_device,
-      const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager);
+  explicit BrowserCompositorOutputSurface(
+      scoped_ptr<cc::SoftwareOutputDevice> software_device);
 
-  scoped_refptr<ui::CompositorVSyncManager> vsync_manager_;
   ReflectorImpl* reflector_;
 
  private:
   void Initialize();
 
   DISALLOW_COPY_AND_ASSIGN(BrowserCompositorOutputSurface);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_