cc: Make separate interface for BeginFrame ipc from OutputSurface

cc/test/fake_output_surface.cc

Index: cc/test/fake_output_surface.cc
diff --git a/cc/test/fake_output_surface.cc b/cc/test/fake_output_surface.cc
index 29680de50e0d115fa49e20059d349c905e3aaa7b..28d8dd63a61c761e5f6c502fa972084044fa5792 100644
--- a/cc/test/fake_output_surface.cc
+++ b/cc/test/fake_output_surface.cc
@@ -20,7 +20,6 @@ FakeOutputSurface::FakeOutputSurface(
     : OutputSurface(context_provider),
       client_(NULL),
       num_sent_frames_(0),
-      needs_begin_frame_(false),
       has_external_stencil_test_(false),
       fake_weak_ptr_factory_(this) {
   if (delegated_rendering) {
@@ -82,24 +81,6 @@ void FakeOutputSurface::SwapBuffers(CompositorFrame* frame) {
   }
 }
 
-void FakeOutputSurface::SetNeedsBeginFrame(bool enable) {
-  needs_begin_frame_ = enable;
-  OutputSurface::SetNeedsBeginFrame(enable);
-
-  if (enable) {
-    base::MessageLoop::current()->PostDelayedTask(
-        FROM_HERE,
-        base::Bind(&FakeOutputSurface::OnBeginFrame,
-                   fake_weak_ptr_factory_.GetWeakPtr()),
-        base::TimeDelta::FromMilliseconds(16));
-  }
-}
-
-void FakeOutputSurface::OnBeginFrame() {
-  client_->BeginFrame(CreateBeginFrameArgsForTesting());
-}
-
-
 bool FakeOutputSurface::BindToClient(OutputSurfaceClient* client) {
   if (OutputSurface::BindToClient(client)) {
     client_ = client;