Update Cdm Wrapper and ClearKeyCdm to work with CDM interface version 4.

webkit/media/crypto/ppapi/ffmpeg_cdm_audio_decoder.h

 // Copyright (c) 2012 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 WEBKIT_MEDIA_CRYPTO_PPAPI_FFMPEG_CDM_AUDIO_DECODER_H_
 #define WEBKIT_MEDIA_CRYPTO_PPAPI_FFMPEG_CDM_AUDIO_DECODER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 11 matching lines @@
 }
 
 namespace webkit_media {
 
 // TODO(xhwang): This class is partially cloned from media::FFmpegAudioDecoder.
 // When media::FFmpegAudioDecoder is updated, it's a pain to keep this class
 // in sync with media::FFmpegAudioDecoder. We need a long term sustainable
 // solution for this. See http://crbug.com/169203
 class FFmpegCdmAudioDecoder {
  public:
-  explicit FFmpegCdmAudioDecoder(cdm::Allocator* allocator);
+  explicit FFmpegCdmAudioDecoder(cdm::Host* host);
   ~FFmpegCdmAudioDecoder();
   bool Initialize(const cdm::AudioDecoderConfig& config);
   void Deinitialize();
   void Reset();
 
   // Returns true when |config| is a valid audio decoder configuration.
   static bool IsValidConfig(const cdm::AudioDecoderConfig& config);
 
   // Decodes |compressed_buffer|. Returns |cdm::kSuccess| after storing
   // output in |decoded_frames| when output is available. Returns
@@ skipping 10 matching lines @@
  private:
   void ResetTimestampState();
   void ReleaseFFmpegResources();
 
   base::TimeDelta GetNextOutputTimestamp() const;
 
   void SerializeInt64(int64_t value);
 
   bool is_initialized_;
 
-  cdm::Allocator* const allocator_;
+  cdm::Host* const host_;
 
   // FFmpeg structures owned by this object.
   AVCodecContext* codec_context_;
   AVFrame* av_frame_;
 
   // Audio format.
   int bits_per_channel_;
   int samples_per_second_;
 
   // Used for computing output timestamps.
@@ skipping 12 matching lines @@
 
   typedef std::vector<uint8_t> SerializedAudioFrames;
   SerializedAudioFrames serialized_audio_frames_;
 
   DISALLOW_COPY_AND_ASSIGN(FFmpegCdmAudioDecoder);
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_MEDIA_CRYPTO_PPAPI_FFMPEG_CDM_AUDIO_DECODER_H_