Revert of Read compositor VSync information from platform, when possible

content/browser/compositor/browser_compositor_output_surface.h

Index: content/browser/compositor/browser_compositor_output_surface.h
diff --git a/content/browser/compositor/browser_compositor_output_surface.h b/content/browser/compositor/browser_compositor_output_surface.h
index 7c26b08307b59794015762ebb4831a0d49bfe211..bf0e3664ae091b9498ba8223c543c571bfede1d5 100644
--- a/content/browser/compositor/browser_compositor_output_surface.h
+++ b/content/browser/compositor/browser_compositor_output_surface.h
@@ -6,14 +6,18 @@
 #define CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
 
 #include "base/id_map.h"
+#include "base/memory/weak_ptr.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 base { class MessageLoopProxy; }
 
 namespace cc {
 class SoftwareOutputDevice;
 }
+
+namespace ui { class Compositor; }
 
 namespace content {
 class ContextProviderCommandBuffer;
@@ -22,7 +26,6 @@
 
 class CONTENT_EXPORT BrowserCompositorOutputSurface
     : public cc::OutputSurface,
-      public ui::CompositorVSyncManager::Observer,
       public base::NonThreadSafe {
  public:
   virtual ~BrowserCompositorOutputSurface();
@@ -31,12 +34,8 @@
   virtual bool BindToClient(cc::OutputSurfaceClient* client) OVERRIDE;
   virtual void Reshape(const gfx::Size& size, float scale_factor) OVERRIDE;
 
-  // ui::CompositorOutputSurface::Observer implementation.
-  virtual void OnUpdateVSyncParameters(base::TimeTicks timebase,
-                                       base::TimeDelta interval) OVERRIDE;
-
-  void OnUpdateVSyncParametersFromGpu(base::TimeTicks tiembase,
-                                      base::TimeDelta interval);
+  void OnUpdateVSyncParameters(base::TimeTicks timebase,
+                               base::TimeDelta interval);
 
   void SetReflector(ReflectorImpl* reflector);
 
@@ -46,19 +45,22 @@
       const scoped_refptr<ContextProviderCommandBuffer>& context,
       int surface_id,
       IDMap<BrowserCompositorOutputSurface>* output_surface_map,
-      const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager);
+      base::MessageLoopProxy* compositor_message_loop,
+      base::WeakPtr<ui::Compositor> compositor);
 
   // Constructor used by the software implementation.
   BrowserCompositorOutputSurface(
       scoped_ptr<cc::SoftwareOutputDevice> software_device,
       int surface_id,
       IDMap<BrowserCompositorOutputSurface>* output_surface_map,
-      const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager);
+      base::MessageLoopProxy* compositor_message_loop,
+      base::WeakPtr<ui::Compositor> compositor);
 
   int surface_id_;
   IDMap<BrowserCompositorOutputSurface>* output_surface_map_;
 
-  scoped_refptr<ui::CompositorVSyncManager> vsync_manager_;
+  scoped_refptr<base::MessageLoopProxy> compositor_message_loop_;
+  base::WeakPtr<ui::Compositor> compositor_;
   scoped_refptr<ReflectorImpl> reflector_;
 
  private: