Revert of Remove default begin frame sources from the renderer

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 0bc6e38c4f697b8e44f5a7c39b5c5802d201d52d..654e1046f5ce176336bf2586cb822ab3f603af33 100644
--- a/cc/test/fake_output_surface_client.h
+++ b/cc/test/fake_output_surface_client.h
@@ -19,6 +19,8 @@
         did_lose_output_surface_called_(false),
         memory_policy_(0) {}
 
+  void CommitVSyncParameters(base::TimeTicks timebase,
+                             base::TimeDelta interval) override {}
   void SetBeginFrameSource(BeginFrameSource* source) override {}
   void SetNeedsRedrawRect(const gfx::Rect& damage_rect) override {}
   void DidSwapBuffersComplete() override;