Decryptors can report kNoKey to WebMediaPlayer

media/mojo/services/mojo_renderer_impl.cc

Index: media/mojo/services/mojo_renderer_impl.cc
diff --git a/media/mojo/services/mojo_renderer_impl.cc b/media/mojo/services/mojo_renderer_impl.cc
index 3bde3b25602a64d4623f2301ee2d485a4371c948..e4a133261579296415cda12d4a304d653473c79c 100644
--- a/media/mojo/services/mojo_renderer_impl.cc
+++ b/media/mojo/services/mojo_renderer_impl.cc
@@ -33,7 +33,8 @@ MojoRendererImpl::~MojoRendererImpl() {
   // Connection to |remote_media_renderer_| will error-out here.
 }
 
-// TODO(xhwang): Support |paint_cb| if needed.
+// TODO(xhwang): Support |paint_cb| and |waiting_for_decryption_key_cb|,
+// if needed.
 void MojoRendererImpl::Initialize(
     DemuxerStreamProvider* demuxer_stream_provider,
     const PipelineStatusCB& init_cb,
@@ -41,7 +42,8 @@ void MojoRendererImpl::Initialize(
     const BufferingStateCB& buffering_state_cb,
     const PaintCB& /* paint_cb */,
     const base::Closure& ended_cb,
-    const PipelineStatusCB& error_cb) {
+    const PipelineStatusCB& error_cb,
+    const base::Closure& /* waiting_for_decryption_key_cb */) {
   DVLOG(1) << __FUNCTION__;
   DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK(demuxer_stream_provider);