[DO NOT COMMIT] Initial MediaPlayerRenderer plumbing and basic features

media/renderers/renderer_impl.cc

Index: media/renderers/renderer_impl.cc
diff --git a/media/renderers/renderer_impl.cc b/media/renderers/renderer_impl.cc
index 6de238c68ce39ea96f3a74813e535b21bb177605..55b4af16f45ca92788b91854e272f2c91c4f5a39 100644
--- a/media/renderers/renderer_impl.cc
+++ b/media/renderers/renderer_impl.cc
@@ -56,6 +56,13 @@ class RendererImpl::RendererClientInternal : public RendererClient {
     DCHECK(type_ == DemuxerStream::VIDEO);
     renderer_->OnVideoOpacityChange(opaque);
   }
+  void OnDurationChange(base::TimeDelta duration) override {
+    // RendererClients should only be notified of duration changes in certain
+    // scenarios, none of which should arrise for RendererClientInternal.
+    // Duration changes should be sent to the pipeline by the DemuxerStream, via
+    // the DemuxerHost interface.
+    NOTREACHED();
+  }
 
  private:
   DemuxerStream::Type type_;