Make VEA client of command buffer; move sync. IPC to VDA/VEA::Initialize()

media/cast/video_sender/external_video_encoder_unittest.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 <vector>
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/base/video_frame.h"
@@ skipping 93 matching lines @@
     PopulateVideoFrame(video_frame_, 123);
 
     testing_clock_ = new base::SimpleTestTickClock();
     task_runner_ = new test::FakeSingleThreadTaskRunner(testing_clock_);
     cast_environment_ =
         new CastEnvironment(scoped_ptr<base::TickClock>(testing_clock_).Pass(),
                             task_runner_,
                             task_runner_,
                             task_runner_);
     scoped_ptr<VideoEncodeAccelerator> fake_vea(
-        new test::FakeVideoEncodeAccelerator());
+        new test::FakeVideoEncodeAccelerator(task_runner_));
     video_encoder_.reset(
         new ExternalVideoEncoder(cast_environment_,
                                  video_config_,
                                  base::Bind(&CreateVideoEncodeAccelerator,
                                             task_runner_,
                                             base::Passed(&fake_vea)),
                                  base::Bind(&CreateSharedMemory)));
   }
 
   virtual ~ExternalVideoEncoderTest() {}
@@ skipping 31 matching lines @@
         video_frame_, capture_time, frame_encoded_callback));
     task_runner_->RunTasks();
   }
   // We need to run the task to cleanup the GPU instance.
   video_encoder_.reset(NULL);
   task_runner_->RunTasks();
 }
 
 }  // namespace cast
 }  // namespace media