Decryptors can report kNoKey to WebMediaPlayer

content/renderer/media/android/media_source_delegate.h

Index: content/renderer/media/android/media_source_delegate.h
diff --git a/content/renderer/media/android/media_source_delegate.h b/content/renderer/media/android/media_source_delegate.h
index c8eaade945e3809719d30ace3a0cbb41e2dea492..666b3809c589bfe44f374b98392b821dd38e876f 100644
--- a/content/renderer/media/android/media_source_delegate.h
+++ b/content/renderer/media/android/media_source_delegate.h
@@ -62,7 +62,8 @@ class MediaSourceDelegate : public media::DemuxerHost {
           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;
@@ -198,6 +199,7 @@ class MediaSourceDelegate : public media::DemuxerHost {
 
   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.