[Chromoting] Implement DualBufferFrameConsumer

remoting/client/software_video_renderer.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 "remoting/client/software_video_renderer.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 33 matching lines @@
 }
 
 }  // namespace
 
 SoftwareVideoRenderer::SoftwareVideoRenderer(protocol::FrameConsumer* consumer)
     : consumer_(consumer), weak_factory_(this) {
   thread_checker_.DetachFromThread();
 }
 
 SoftwareVideoRenderer::SoftwareVideoRenderer(
-    scoped_refptr<base::SingleThreadTaskRunner> decode_task_runner,
-    protocol::FrameConsumer* consumer,
-    protocol::FrameStatsConsumer* stats_consumer)
-    : decode_task_runner_(decode_task_runner),
-      consumer_(consumer),
-      stats_consumer_(stats_consumer),
-      weak_factory_(this) {}
+    std::unique_ptr<protocol::FrameConsumer> consumer)
+    : SoftwareVideoRenderer(consumer.get()) {
+  owned_consumer_ = std::move(consumer);
+}
 
 SoftwareVideoRenderer::~SoftwareVideoRenderer() {
   if (decoder_)
     decode_task_runner_->DeleteSoon(FROM_HERE, decoder_.release());
 }
 
 bool SoftwareVideoRenderer::Initialize(
     const ClientContext& client_context,
     protocol::FrameStatsConsumer* stats_consumer) {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ skipping 116 matching lines @@
 
   stats->client_stats.time_rendered = base::TimeTicks::Now();
   if (stats_consumer_)
     stats_consumer_->OnVideoFrameStats(*stats);
 
   if (!done.is_null())
     done.Run();
 }
 
 }  // namespace remoting