Decryptors can report kNoKey to WebMediaPlayer

media/blink/webmediaplayer_impl.cc

Index: media/blink/webmediaplayer_impl.cc
diff --git a/media/blink/webmediaplayer_impl.cc b/media/blink/webmediaplayer_impl.cc
index 12839eb06eeceecbc38ef54299c90695a5cd0ae6..01cd2cc1c68ac3dade5637d7ae5810932bb8b5b2 100644
--- a/media/blink/webmediaplayer_impl.cc
+++ b/media/blink/webmediaplayer_impl.cc
@@ -678,6 +678,10 @@ void WebMediaPlayerImpl::OnEncryptedMediaInitData(
                      base::saturated_cast<unsigned int>(init_data.size()));
 }
 
+void WebMediaPlayerImpl::OnWaitingForEncryptionKey() {
+  client_->waitingForKey();
+}
+
 void WebMediaPlayerImpl::SetCdm(CdmContext* cdm_context,
                                 const CdmAttachedCB& cdm_attached_cb) {
   pipeline_.SetCdm(cdm_context, cdm_attached_cb);
@@ -879,9 +883,8 @@ void WebMediaPlayerImpl::StartPipeline() {
   seeking_ = true;
 
   pipeline_.Start(
-      demuxer_.get(),
-      renderer_factory_->CreateRenderer(media_task_runner_,
-                                        audio_source_provider_.get()),
+      demuxer_.get(), renderer_factory_->CreateRenderer(
+                          media_task_runner_, audio_source_provider_.get()),
       BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineEnded),
       BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineError),
       BIND_TO_RENDER_LOOP1(&WebMediaPlayerImpl::OnPipelineSeeked, false),
@@ -889,7 +892,8 @@ void WebMediaPlayerImpl::StartPipeline() {
       BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnPipelineBufferingStateChanged),
       base::Bind(&WebMediaPlayerImpl::FrameReady, base::Unretained(this)),
       BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnDurationChanged),
-      BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnAddTextTrack));
+      BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnAddTextTrack),
+      BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnWaitingForEncryptionKey));
 }
 
 void WebMediaPlayerImpl::SetNetworkState(WebMediaPlayer::NetworkState state) {