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

media/cast/video_sender/video_sender_unittest.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 <stdint.h>
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 135 matching lines @@
     video_config.min_bitrate = 1000000;
     video_config.start_bitrate = 1000000;
     video_config.max_qp = 56;
     video_config.min_qp = 0;
     video_config.max_frame_rate = 30;
     video_config.max_number_of_video_buffers_used = 1;
     video_config.codec = transport::kVp8;
 
     if (external) {
       scoped_ptr<VideoEncodeAccelerator> fake_vea(
-          new test::FakeVideoEncodeAccelerator());
+          new test::FakeVideoEncodeAccelerator(task_runner_));
       video_sender_.reset(
           new PeerVideoSender(cast_environment_,
                               video_config,
                               base::Bind(&CreateVideoEncodeAccelerator,
                                          task_runner_,
                                          base::Passed(&fake_vea)),
                               base::Bind(&CreateSharedMemory),
                               base::Bind(&VideoSenderTest::InitializationResult,
                                          base::Unretained(this)),
                               transport_sender_.get()));
@@ skipping 196 matching lines @@
   // Empty the pipeline.
   RunTasks(100);
   // Should have sent at least 7 packets.
   EXPECT_GE(
       transport_.number_of_rtp_packets() + transport_.number_of_rtcp_packets(),
       7);
 }
 
 }  // namespace cast
 }  // namespace media