Adding ThreadChecker validation to d'tors for client classes

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 39 matching lines @@
   thread_checker_.DetachFromThread();
 }
 
 SoftwareVideoRenderer::SoftwareVideoRenderer(
     std::unique_ptr<protocol::FrameConsumer> consumer)
     : SoftwareVideoRenderer(consumer.get()) {
   owned_consumer_ = std::move(consumer);
 }
 
 SoftwareVideoRenderer::~SoftwareVideoRenderer() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+
   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());
   decode_task_runner_ = client_context.decode_task_runner();
   stats_consumer_ = stats_consumer;
@@ skipping 114 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