Decryptors can report kNoKey to WebMediaPlayer

content/renderer/media/android/media_source_delegate.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 CONTENT_RENDERER_MEDIA_ANDROID_MEDIA_SOURCE_DELEGATE_H_
 #define CONTENT_RENDERER_MEDIA_ANDROID_MEDIA_SOURCE_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 44 matching lines @@
   ~MediaSourceDelegate() override;
 
   // Initialize the MediaSourceDelegate. |media_source| will be owned by
   // this object after this call.
   void InitializeMediaSource(
       const MediaSourceOpenedCB& media_source_opened_cb,
       const media::Demuxer::EncryptedMediaInitDataCB&
           encrypted_media_init_data_cb,
       const media::SetDecryptorReadyCB& set_decryptor_ready_cb,
       const UpdateNetworkStateCB& update_network_state_cb,
-      const DurationChangeCB& duration_change_cb);
+      const DurationChangeCB& duration_change_cb,
+      const base::Closure& waiting_for_decryption_key_cb);
 
   blink::WebTimeRanges Buffered() const;
   size_t DecodedFrameCount() const;
   size_t DroppedFrameCount() const;
   size_t AudioDecodedByteCount() const;
   size_t VideoDecodedByteCount() const;
 
   // In MSE case, calls ChunkDemuxer::CancelPendingSeek(). Also sets the
   // expectation that a regular seek will be arriving and to trivially finish
   // any browser seeks that may be requested prior to the regular seek.
@@ skipping 115 matching lines @@
   scoped_ptr<media::DecryptingDemuxerStream> video_decrypting_demuxer_stream_;
 
   media::DemuxerStream* audio_stream_;
   media::DemuxerStream* video_stream_;
 
   media::PipelineStatistics statistics_;
   media::Ranges<base::TimeDelta> buffered_time_ranges_;
 
   MediaSourceOpenedCB media_source_opened_cb_;
   media::Demuxer::EncryptedMediaInitDataCB encrypted_media_init_data_cb_;
+  base::Closure waiting_for_decryption_key_cb_;
 
   // Temporary for EME v0.1. In the future the init data type should be passed
   // through GenerateKeyRequest() directly from WebKit.
   std::string init_data_type_;
 
   // Lock used to serialize access for |seeking_|.
   mutable base::Lock seeking_lock_;
   bool seeking_;
 
   // Lock used to serialize access for |is_video_encrypted_|.
@@ skipping 19 matching lines @@
   base::WeakPtr<MediaSourceDelegate> main_weak_this_;
   base::WeakPtrFactory<MediaSourceDelegate> main_weak_factory_;
   base::WeakPtrFactory<MediaSourceDelegate> media_weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaSourceDelegate);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_ANDROID_MEDIA_SOURCE_DELEGATE_H_