cc: Handle retroactive BeginFrames in the Scheduler.

cc/test/fake_output_surface_client.h

Index: cc/test/fake_output_surface_client.h
diff --git a/cc/test/fake_output_surface_client.h b/cc/test/fake_output_surface_client.h
index b944d09b9b9332e32daa3add7498c6359d48c512..d64e063ff720fcfdc65f4fe58c4de54fb060edc6 100644
--- a/cc/test/fake_output_surface_client.h
+++ b/cc/test/fake_output_surface_client.h
@@ -13,7 +13,7 @@ namespace cc {
 class FakeOutputSurfaceClient : public OutputSurfaceClient {
  public:
   FakeOutputSurfaceClient()
-      : begin_impl_frame_count_(0),
+      : begin_frame_count_(0),
         deferred_initialize_result_(true),
         deferred_initialize_called_(false),
         did_lose_output_surface_called_(false),
@@ -23,7 +23,7 @@ class FakeOutputSurfaceClient : public OutputSurfaceClient {
       scoped_refptr<ContextProvider> offscreen_context_provider) OVERRIDE;
   virtual void ReleaseGL() OVERRIDE {}
   virtual void SetNeedsRedrawRect(const gfx::Rect& damage_rect) OVERRIDE {}
-  virtual void BeginImplFrame(const BeginFrameArgs& args) OVERRIDE;
+  virtual void BeginFrame(const BeginFrameArgs& args) OVERRIDE;
   virtual void DidSwapBuffers() OVERRIDE {}
   virtual void OnSwapBuffersComplete() OVERRIDE {}
   virtual void ReclaimResources(const CompositorFrameAck* ack) OVERRIDE {}
@@ -36,9 +36,7 @@ class FakeOutputSurfaceClient : public OutputSurfaceClient {
   virtual void SetMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE;
   virtual void SetTreeActivationCallback(const base::Closure&) OVERRIDE {}
 
-  int begin_impl_frame_count() {
-    return begin_impl_frame_count_;
-  }
+  int begin_frame_count() { return begin_frame_count_; }
 
   void set_deferred_initialize_result(bool result) {
     deferred_initialize_result_ = result;
@@ -55,7 +53,7 @@ class FakeOutputSurfaceClient : public OutputSurfaceClient {
   const ManagedMemoryPolicy& memory_policy() const { return memory_policy_; }
 
  private:
-  int begin_impl_frame_count_;
+  int begin_frame_count_;
   bool deferred_initialize_result_;
   bool deferred_initialize_called_;
   bool did_lose_output_surface_called_;