Encrypted Media: Support Audio Decrypt-Only.

webkit/media/webmediaplayer_impl.cc

Index: webkit/media/webmediaplayer_impl.cc
diff --git a/webkit/media/webmediaplayer_impl.cc b/webkit/media/webmediaplayer_impl.cc
index f5e63331a239b83b285e7a5aa1b881c4b48036b5..3db2d44a032b5d5d7d6e3404d01cb97f481317b1 100644
--- a/webkit/media/webmediaplayer_impl.cc
+++ b/webkit/media/webmediaplayer_impl.cc
@@ -1124,12 +1124,21 @@ void WebMediaPlayerImpl::NotifyDownloading(bool is_downloading) {
 
 void WebMediaPlayerImpl::StartPipeline() {
   starting_ = true;
+
+  media::RequestDecryptorNotificationCB request_decryptor_notification_cb;
+  if (decryptor_) {
+    request_decryptor_notification_cb =
+        base::Bind(&ProxyDecryptor::RequestDecryptorNotification,

[ddorwin, 2012/12/11 05:13:34]

ProxyDecryptor::RequestDecryptorNotification() doesn't seem to request
notification. It looks like it saves a notification request. Should it be
Register...?

[xhwang, 2012/12/12 23:43:28]

Done with Set...

+                   base::Unretained(decryptor_.get()));
+  }
+
   pipeline_->Start(
       filter_collection_.Pass(),
       BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineEnded),
       BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineError),
       BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineSeek),
-      BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineBufferingState));
+      BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineBufferingState),
+      request_decryptor_notification_cb);
 }
 
 void WebMediaPlayerImpl::SetNetworkState(WebMediaPlayer::NetworkState state) {