Plumb callbacks from mojo media service to client.

media/mojo/clients/mojo_renderer.cc

Index: media/mojo/clients/mojo_renderer.cc
diff --git a/media/mojo/clients/mojo_renderer.cc b/media/mojo/clients/mojo_renderer.cc
index 94b2a57602336995df035ef4be2c1abfe81aa472..95ee0c67d725255c45c467a17b984fcd1bec1573 100644
--- a/media/mojo/clients/mojo_renderer.cc
+++ b/media/mojo/clients/mojo_renderer.cc
@@ -11,6 +11,7 @@
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "media/base/demuxer_stream_provider.h"
+#include "media/base/pipeline_status.h"
 #include "media/base/renderer_client.h"
 #include "media/base/video_renderer_sink.h"
 #include "media/mojo/clients/mojo_demuxer_stream_impl.h"
@@ -239,6 +240,18 @@ void MojoRenderer::OnVideoOpacityChange(bool opaque) {
   client_->OnVideoOpacityChange(opaque);
 }
 
+void MojoRenderer::OnStatisticsUpdate(const PipelineStatistics& stats) {
+  DVLOG(3) << __FUNCTION__;
+  DCHECK(task_runner_->BelongsToCurrentThread());
+  client_->OnStatisticsUpdate(stats);
+}
+
+void MojoRenderer::OnWaitingForDecryptionKey() {
+  DVLOG(1) << __FUNCTION__;
+  DCHECK(task_runner_->BelongsToCurrentThread());
+  client_->OnWaitingForDecryptionKey();
+}
+
 void MojoRenderer::OnConnectionError() {
   DVLOG(1) << __FUNCTION__;
   DCHECK(task_runner_->BelongsToCurrentThread());