Revert of Cast: Fix threading issues in VideoEncoderImpl

media/cast/video_sender/video_encoder_impl_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 74 matching lines @@
 
   virtual ~VideoEncoderImplTest() {}
 
   virtual void SetUp() {
     task_runner_ = new test::FakeTaskRunner(&testing_clock_);
     cast_environment_ = new CastEnvironment(&testing_clock_, task_runner_,
         task_runner_, task_runner_, task_runner_, task_runner_,
         task_runner_, GetDefaultCastSenderLoggingConfig());
   }
 
-  virtual void TearDown() OVERRIDE {
-    video_encoder_.reset();
-    task_runner_->RunTasks();
-  }
-
   void Configure(uint8 max_unacked_frames) {
     video_encoder_.reset(new VideoEncoderImpl(cast_environment_, video_config_,
        max_unacked_frames));
   }
 
   base::SimpleTestTickClock testing_clock_;
   scoped_refptr<TestVideoEncoderCallback> test_video_encoder_callback_;
   VideoSenderConfig video_config_;
   scoped_refptr<test::FakeTaskRunner> task_runner_;
   scoped_ptr<VideoEncoder> video_encoder_;
@@ skipping 133 matching lines @@
   for (int i = 5; i < 17; ++i) {
     test_video_encoder_callback_->SetExpectedResult(false, i, 4, capture_time);
     EXPECT_TRUE(video_encoder_->EncodeVideoFrame(video_frame_, capture_time,
         frame_encoded_callback));
     task_runner_->RunTasks();
   }
 }
 
 }  // namespace cast
 }  // namespace media