Fix code style and gyp files in cast to build cast_unittest

media/cast/audio_sender/audio_encoder_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 "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/cast/audio_sender/audio_encoder.h"
 #include "media/cast/cast_config.h"
 #include "media/cast/cast_thread.h"
 #include "media/cast/test/fake_task_runner.h"
@@ skipping 27 matching lines @@
     audio_config.codec = kOpus;
     audio_config.use_external_encoder = false;
     audio_config.frequency = 48000;
     audio_config.channels = 2;
     audio_config.bitrate = 64000;
     audio_config.rtp_payload_type = 127;
 
     audio_encoder_ = new AudioEncoder(cast_thread_, audio_config);
   }
 
-  ~AudioEncoderTest() {}
+  virtual ~AudioEncoderTest() {}
 
   base::SimpleTestTickClock testing_clock_;
   scoped_refptr<test::FakeTaskRunner> task_runner_;
   scoped_refptr<AudioEncoder> audio_encoder_;
   scoped_refptr<CastThread> cast_thread_;
 };
 
 TEST_F(AudioEncoderTest, Encode20ms) {
   PcmAudioFrame* audio_frame = new PcmAudioFrame();
   audio_frame->channels = 2;
   audio_frame->frequency = 48000;
   audio_frame->samples.insert(audio_frame->samples.begin(), 480 * 2 * 2, 123);
 
   base::TimeTicks recorded_time;
   audio_encoder_->InsertRawAudioFrame(audio_frame, recorded_time,
       base::Bind(&FrameEncoded),
       base::Bind(&RelaseFrame, audio_frame));
   task_runner_->RunTasks();
 }
 
 }  // namespace cast
 }  // namespace media