Cast: Make castv2 mirroring performance test run again

media/cast/test/utility/standalone_cast_environment.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 "media/cast/test/utility/standalone_cast_environment.h"
 
 #include "base/time/default_tick_clock.h"
 
 namespace media {
 namespace cast {
 
 StandaloneCastEnvironment::StandaloneCastEnvironment()
     : CastEnvironment(
           make_scoped_ptr<base::TickClock>(new base::DefaultTickClock()),
           NULL,
           NULL,
           NULL),
       main_thread_("StandaloneCastEnvironment Main"),
       audio_thread_("StandaloneCastEnvironment Audio"),
       video_thread_("StandaloneCastEnvironment Video") {
 #define CREATE_TASK_RUNNER(name, options)   \
   name##_thread_.StartWithOptions(options); \
   CastEnvironment::name##_thread_proxy_ = name##_thread_.message_loop_proxy()
 
   CREATE_TASK_RUNNER(main,
                      base::Thread::Options(base::MessageLoop::TYPE_IO, 0));
   CREATE_TASK_RUNNER(audio, base::Thread::Options());
   CREATE_TASK_RUNNER(video, base::Thread::Options());
+}
+
+StandaloneCastEnvironment::StandaloneCastEnvironment(
+    scoped_ptr<base::TickClock> clock)
+    : CastEnvironment(
+          clock.Pass(),
+          NULL,
+          NULL,
+          NULL),
+      main_thread_("StandaloneCastEnvironment Main"),
+      audio_thread_("StandaloneCastEnvironment Audio"),
+      video_thread_("StandaloneCastEnvironment Video") {
+  CREATE_TASK_RUNNER(main,
+                     base::Thread::Options(base::MessageLoop::TYPE_IO, 0));
+  CREATE_TASK_RUNNER(audio, base::Thread::Options());
+  CREATE_TASK_RUNNER(video, base::Thread::Options());
 
 #undef CREATE_TASK_RUNNER
 }
 
 StandaloneCastEnvironment::~StandaloneCastEnvironment() {
   DCHECK(CalledOnValidThread());
 }
 
 void StandaloneCastEnvironment::Shutdown() {
   DCHECK(CalledOnValidThread());
   main_thread_.Stop();
   audio_thread_.Stop();
   video_thread_.Stop();
 }
 
 }  // namespace cast
 }  // namespace media