Fix code style and gyp files in cast to build cast_unittest

media/cast/audio_sender/audio_encoder.h

 // 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.
 
 #ifndef MEDIA_CAST_AUDIO_SENDER_AUDIO_ENCODER_H_
 #define MEDIA_CAST_AUDIO_SENDER_AUDIO_ENCODER_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/cast/cast_config.h"
@@ skipping 12 matching lines @@
 // Thread safe class.
 // It should be called from the main cast thread; however that is not required.
 class AudioEncoder : public base::RefCountedThreadSafe<AudioEncoder> {
  public:
   typedef base::Callback<void(scoped_ptr<EncodedAudioFrame>,
                               const base::TimeTicks&)> FrameEncodedCallback;
 
   AudioEncoder(scoped_refptr<CastThread> cast_thread,
                const AudioSenderConfig& audio_config);
 
-  virtual ~AudioEncoder();
-
   // The audio_frame must be valid until the closure callback is called.
   // The closure callback is called from the main cast thread as soon as
   // the encoder is done with the frame; it does not mean that the encoded frame
   // has been sent out.
   void InsertRawAudioFrame(const PcmAudioFrame* audio_frame,
                            const base::TimeTicks& recorded_time,
                            const FrameEncodedCallback& frame_encoded_callback,
                            const base::Closure callback);
 
+ protected:
+  virtual ~AudioEncoder();
+
  private:
+  friend class base::RefCountedThreadSafe<AudioEncoder>;
+
   void EncodeAudioFrameThread(
       const PcmAudioFrame* audio_frame,
       const base::TimeTicks& recorded_time,
       const FrameEncodedCallback& frame_encoded_callback,
       const base::Closure release_callback);
 
   scoped_refptr<CastThread> cast_thread_;
-  // Can't use scoped_ptr due to protected constructor within webrtc.
-  webrtc::AudioCodingModule* audio_encoder_;
+  scoped_ptr<webrtc::AudioCodingModule> audio_encoder_;
   scoped_ptr<WebrtEncodedDataCallback> webrtc_encoder_callback_;
   uint32 timestamp_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioEncoder);
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_AUDIO_SENDER_AUDIO_ENCODER_H_