Media Remoting: Don't exit remoting if no enough data buffered.

media/remoting/remote_renderer_impl.h

Index: media/remoting/remote_renderer_impl.h
diff --git a/media/remoting/remote_renderer_impl.h b/media/remoting/remote_renderer_impl.h
index e23427540c04366b740a780bbf9a0aa3e52acc61..490aa21729e12409f94a14add73fc17936043654 100644
--- a/media/remoting/remote_renderer_impl.h
+++ b/media/remoting/remote_renderer_impl.h
@@ -231,6 +231,9 @@ class RemoteRendererImpl : public Renderer {
   // the data flow rates for metrics.
   base::RepeatingTimer data_flow_poll_timer_;
 
+  // Indicates whether there is enough data buffered for rendering.
+  bool is_waiting_for_buffering_ = true;
+
   base::WeakPtrFactory<RemoteRendererImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RemoteRendererImpl);