cc: Throttle swaps in Scheduler instead of OutputSurface

cc/test/fake_output_surface.cc

 // 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.
 
 #include "cc/test/fake_output_surface.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "cc/output/compositor_frame_ack.h"
 #include "cc/output/output_surface_client.h"
@@ skipping 70 matching lines @@
     OutputSurface::SwapBuffers(frame);
     frame->AssignTo(&last_sent_frame_);
     ++num_sent_frames_;
   }
 }
 
 void FakeOutputSurface::SetNeedsBeginImplFrame(bool enable) {
   needs_begin_impl_frame_ = enable;
   OutputSurface::SetNeedsBeginImplFrame(enable);
 
-  // If there is not BeginImplFrame emulation from the FrameRateController,
+  // If there is not BeginImplFrame emulation from the BeginFrameSource,
   // then we just post a BeginImplFrame to emulate it as part of the test.
   if (enable && !frame_rate_controller_) {
     base::MessageLoop::current()->PostDelayedTask(
         FROM_HERE, base::Bind(&FakeOutputSurface::OnBeginImplFrame,
                               fake_weak_ptr_factory_.GetWeakPtr()),
         base::TimeDelta::FromMilliseconds(16));
   }
 }
 
 void FakeOutputSurface::OnBeginImplFrame() {
@@ skipping 40 matching lines @@
 bool FakeOutputSurface::HasExternalStencilTest() const {
   return has_external_stencil_test_;
 }
 
 void FakeOutputSurface::SetMemoryPolicyToSetAtBind(
     scoped_ptr<ManagedMemoryPolicy> memory_policy_to_set_at_bind) {
   memory_policy_to_set_at_bind_.swap(memory_policy_to_set_at_bind);
 }
 
 }  // namespace cc