Move Work From CompositorFrameSinkSupport() To Init()

cc/surfaces/direct_compositor_frame_sink.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 "cc/surfaces/direct_compositor_frame_sink.h"
 
 #include "base/bind.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_sink_client.h"
 #include "cc/surfaces/display.h"
@@ skipping 55 matching lines @@
   // callbacks on the context here.
   if (auto* cp = context_provider())
     cp->SetLostContextCallback(base::Closure());
 
   constexpr bool is_root = true;
   constexpr bool handles_frame_sink_id_invalidation = false;
   support_ = base::MakeUnique<CompositorFrameSinkSupport>(
       this, surface_manager_, frame_sink_id_, is_root,
       handles_frame_sink_id_invalidation,
       capabilities_.delegated_sync_points_required);
+  support_->Init();
   begin_frame_source_ = base::MakeUnique<ExternalBeginFrameSource>(this);
   client_->SetBeginFrameSource(begin_frame_source_.get());
 
   // Avoid initializing GL context here, as this should be sharing the
   // Display's context.
   display_->Initialize(this, surface_manager_);
   return true;
 }
 
 void DirectCompositorFrameSink::DetachFromClient() {
@@ skipping 68 matching lines @@
   support_->SetNeedsBeginFrame(needs_begin_frame);
 }
 
 void DirectCompositorFrameSink::OnDidFinishFrame(const BeginFrameAck& ack) {
   // If there was damage, SubmitCompositorFrame includes the ack.
   if (!ack.has_damage)
     support_->BeginFrameDidNotSwap(ack);
 }
 
 }  // namespace cc