Decryptors can report kNoKey to WebMediaPlayer

content/renderer/media/android/webmediaplayer_android.cc

Index: content/renderer/media/android/webmediaplayer_android.cc
diff --git a/content/renderer/media/android/webmediaplayer_android.cc b/content/renderer/media/android/webmediaplayer_android.cc
index fe32f058372a53d9820cdbf8a5f61fd53bb90e88..d3b0dcbf0ebd69ab335dd6b38c96900459bea07d 100644
--- a/content/renderer/media/android/webmediaplayer_android.cc
+++ b/content/renderer/media/android/webmediaplayer_android.cc
@@ -313,6 +313,8 @@ void WebMediaPlayerAndroid::load(LoadType load_type,
           base::Bind(&WebMediaPlayerAndroid::UpdateNetworkState,
                      weak_factory_.GetWeakPtr()),
           base::Bind(&WebMediaPlayerAndroid::OnDurationChanged,
+                     weak_factory_.GetWeakPtr()),
+          base::Bind(&WebMediaPlayerAndroid::OnWaitingForDecryptionKey,
                      weak_factory_.GetWeakPtr()));
       InitializePlayer(url_, frame_->document().firstPartyForCookies(),
                        true, demuxer_client_id);
@@ -1759,6 +1761,15 @@ void WebMediaPlayerAndroid::OnEncryptedMediaInitData(
                      vector_as_array(&init_data), init_data.size());
 }
 
+void WebMediaPlayerAndroid::OnWaitingForDecryptionKey() {
+  client_->didBlockPlaybackWaitingForKey();
+
+  // TODO(jrummell): didResumePlaybackBlockedForKey() should only be called
+  // when a key has been successfully added (e.g. OnSessionKeysChange() with
+  // |has_additional_usable_key| = true). http://crbug.com/461903
+  client_->didResumePlaybackBlockedForKey();
+}
+
 void WebMediaPlayerAndroid::SetCdmInternal(
     const media::CdmAttachedCB& cdm_attached_cb) {
   DCHECK(cdm_context_ && is_player_initialized_);