Change base::TickClock to a ref counted class.

media/cast/cast_environment.cc

 // Copyright 2013 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 "media/cast/cast_environment.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 
 using base::SingleThreadTaskRunner;
 
 namespace {
 
 void DeleteLoggingOnMainThread(scoped_ptr<media::cast::LoggingImpl> logging) {
   logging.reset();
 }
 
 }  // namespace
 
 namespace media {
 namespace cast {
 
 CastEnvironment::CastEnvironment(
-    scoped_ptr<base::TickClock> clock,
+    scoped_refptr<base::TickClock> clock,
     scoped_refptr<SingleThreadTaskRunner> main_thread_proxy,
     scoped_refptr<SingleThreadTaskRunner> audio_thread_proxy,
     scoped_refptr<SingleThreadTaskRunner> video_thread_proxy)
     : main_thread_proxy_(main_thread_proxy),
       audio_thread_proxy_(audio_thread_proxy),
       video_thread_proxy_(video_thread_proxy),
-      clock_(clock.Pass()),
-      logging_(new LoggingImpl) {}
+      clock_(clock),
+      logging_(new LoggingImpl) {
+}
 
 CastEnvironment::~CastEnvironment() {
   // Logging must be deleted on the main thread.
   if (main_thread_proxy_.get() &&
       !main_thread_proxy_->RunsTasksOnCurrentThread()) {
     main_thread_proxy_->PostTask(
         FROM_HERE,
         base::Bind(&DeleteLoggingOnMainThread, base::Passed(&logging_)));
   }
 }
@@ skipping 39 matching lines @@
       return video_thread_proxy_.get() &&
              video_thread_proxy_->RunsTasksOnCurrentThread();
     default:
       NOTREACHED() << "Invalid thread identifier";
       return false;
   }
 }
 
 }  // namespace cast
 }  // namespace media