Add OnDurationChange() to RenderClient

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 7381e94ef695c43036c62291bbbcb0f918057fa6..14ba2c8b8bb0c8151aa50af4bd4481ce0b13ec17 100644
--- a/media/renderers/renderer_impl.cc
+++ b/media/renderers/renderer_impl.cc
@@ -58,6 +58,13 @@ 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.

[watk, 2016/08/12 00:49:06]

arise

[tguilbert, 2016/08/12 00:58:15]

Done.

+    // Duration changes should be sent to the pipeline by the DemuxerStream, via
+    // the DemuxerHost interface.
+    NOTREACHED();
+  }
 
  private:
   DemuxerStream::Type type_;