Provide a vsync notification to the renderer

cc/test/fake_output_surface.h

 // Copyright 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 CC_TEST_FAKE_OUTPUT_SURFACE_H_
 #define CC_TEST_FAKE_OUTPUT_SURFACE_H_
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/compositor_frame.h"
 #include "cc/output_surface.h"
 #include "cc/test/fake_software_output_device.h"
 #include "cc/test/fake_web_graphics_context_3d.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
 
+namespace base {
+class TimeTicks;
+}
+
 namespace cc {
 
 class FakeOutputSurface : public OutputSurface {
  public:
   virtual ~FakeOutputSurface();
 
   static inline scoped_ptr<FakeOutputSurface> Create3d(
       scoped_ptr<WebKit::WebGraphicsContext3D> context3d) {
     return make_scoped_ptr(new FakeOutputSurface(context3d.Pass(), false));
   }
@@ skipping 36 matching lines @@
   virtual const struct Capabilities& Capabilities() const OVERRIDE;
 
   virtual WebKit::WebGraphicsContext3D* Context3D() const OVERRIDE;
   virtual SoftwareOutputDevice* SoftwareDevice() const OVERRIDE;
 
   virtual void SendFrameToParentCompositor(CompositorFrame*) OVERRIDE;
 
   CompositorFrame& last_sent_frame() { return last_sent_frame_; }
   size_t num_sent_frames() { return num_sent_frames_; }
 
+  virtual void EnableVSyncNotification(bool enable) OVERRIDE;
+  bool vsync_notification_enabled() const {
+    return vsync_notification_enabled_;
+  }
+  void DidVSync(base::TimeTicks frame_time);
+
 private:
   explicit FakeOutputSurface(
       scoped_ptr<WebKit::WebGraphicsContext3D> context3d, bool has_parent);
   explicit FakeOutputSurface(
       scoped_ptr<SoftwareOutputDevice> software_device, bool has_parent);
 
   scoped_ptr<WebKit::WebGraphicsContext3D> context3d_;
   scoped_ptr<SoftwareOutputDevice> software_device_;
   struct Capabilities capabilities_;
   OutputSurfaceClient* client_;
   CompositorFrame last_sent_frame_;
   size_t num_sent_frames_;
+  bool vsync_notification_enabled_;
 };
 
 static inline scoped_ptr<cc::OutputSurface> createFakeOutputSurface()
 {
     return FakeOutputSurface::Create3d(
         FakeWebGraphicsContext3D::Create(
             WebKit::WebGraphicsContext3D::Attributes())
         .PassAs<WebKit::WebGraphicsContext3D>())
         .PassAs<cc::OutputSurface>();
 }
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_OUTPUT_SURFACE_H_