Refactoring the way begin frame sources inside scheduler work.

cc/trees/thread_proxy.cc

 // Copyright 2011 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/trees/thread_proxy.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 407 matching lines @@
   TRACE_EVENT0("cc", "ThreadProxy::DidSwapBuffersCompleteOnImplThread");
   DCHECK(IsImplThread());
   impl().scheduler->DidSwapBuffersComplete();
   Proxy::MainThreadTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&ThreadProxy::DidCompleteSwapBuffers, main_thread_weak_ptr_));
 }
 
 void ThreadProxy::SetNeedsBeginFrame(bool enable) {
   TRACE_EVENT1("cc", "ThreadProxy::SetNeedsBeginFrame", "enable", enable);
-  impl().layer_tree_host_impl->SetNeedsBeginFrame(enable);
+  impl().scheduler.SetNeedsBeginFrame(enable);
   UpdateBackgroundAnimateTicking();
 }
 
 void ThreadProxy::BeginFrame(const BeginFrameArgs& args) {
   impl().scheduler->BeginFrame(args);
 }
 
 void ThreadProxy::WillBeginImplFrame(const BeginFrameArgs& args) {
   impl().layer_tree_host_impl->WillBeginImplFrame(args);
 }
@@ skipping 1015 matching lines @@
     impl().layer_tree_host_impl->resource_provider()->Finish();
   completion->Signal();
 }
 
 void ThreadProxy::LayerTreeHostClosedOnImplThread(CompletionEvent* completion) {
   TRACE_EVENT0("cc", "ThreadProxy::LayerTreeHostClosedOnImplThread");
   DCHECK(IsImplThread());
   layer_tree_host()->DeleteContentsTexturesOnImplThread(
       impl().layer_tree_host_impl->resource_provider());
   impl().current_resource_update_controller.reset();
-  impl().layer_tree_host_impl->SetNeedsBeginFrame(false);
+  // impl().scheduler.
+  impl().scheduler.SetNeedsBeginFrame(false);
   impl().scheduler.reset();
   impl().layer_tree_host_impl.reset();
   impl().weak_factory.InvalidateWeakPtrs();
   impl().contents_texture_manager = NULL;
   completion->Signal();
 }
 
 size_t ThreadProxy::MaxPartialTextureUpdates() const {
   return ResourceUpdateController::MaxPartialTextureUpdates();
 }
@@ skipping 178 matching lines @@
 
   impl().timing_history.DidActivatePendingTree();
 }
 
 void ThreadProxy::DidManageTiles() {
   DCHECK(IsImplThread());
   impl().scheduler->DidManageTiles();
 }
 
 }  // namespace cc