Move Work From CompositorFrameSinkSupport() To Init()

content/browser/renderer_host/delegated_frame_host.cc

 // Copyright 2014 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 "content/browser/renderer_host/delegated_frame_host.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 822 matching lines @@
 }
 
 void DelegatedFrameHost::CreateCompositorFrameSinkSupport() {
   DCHECK(!support_);
   ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
   support_ = base::MakeUnique<cc::CompositorFrameSinkSupport>(
       this, factory->GetContextFactoryPrivate()->GetSurfaceManager(),
       frame_sink_id_, false /* is_root */,
       false /* handles_frame_sink_id_invalidation */,
       true /* needs_sync_points */);
+  support_->Init();
   if (compositor_)
     compositor_->AddFrameSink(frame_sink_id_);
   if (needs_begin_frame_)
     support_->SetNeedsBeginFrame(true);
 }
 
 void DelegatedFrameHost::ResetCompositorFrameSinkSupport() {
   if (!support_)
     return;
   if (compositor_)
     compositor_->RemoveFrameSink(frame_sink_id_);
   support_.reset();
 }
 
 void DelegatedFrameHost::DidFinishFrame(const cc::BeginFrameAck& ack) {
   if (ack.source_id != latest_confirmed_begin_frame_source_id_) {
     // Source changed, we don't know our freshness anymore.
     latest_confirmed_begin_frame_sequence_number_ =
         cc::BeginFrameArgs::kInvalidFrameNumber;
   }
 
   if (!skipped_frames_) {
     latest_confirmed_begin_frame_source_id_ = ack.source_id;
     latest_confirmed_begin_frame_sequence_number_ =
         ack.latest_confirmed_sequence_number;
   }
 }
 
 }  // namespace content