[Chromecast] Upgrade to new CMA backend API

chromecast/renderer/media/cma_message_filter_proxy.cc

Index: chromecast/renderer/media/cma_message_filter_proxy.cc
diff --git a/chromecast/renderer/media/cma_message_filter_proxy.cc b/chromecast/renderer/media/cma_message_filter_proxy.cc
index c502ea2cafba6892f156757ddb06042d3030a34b..b5519dc4c3589b1a1731a5c674fdba75099aab54 100644
--- a/chromecast/renderer/media/cma_message_filter_proxy.cc
+++ b/chromecast/renderer/media/cma_message_filter_proxy.cc
@@ -211,7 +211,7 @@ void CmaMessageFilterProxy::OnTimeUpdate(
   DelegateEntry* entry = delegates_.Lookup(id);
   if (!entry)
     return;
-  const MediaPipelineClient::TimeUpdateCB& cb =
+  const RendererMediaPipelineClient::TimeUpdateCB& cb =
       entry->media_delegate.client.time_update_cb;
   if (!cb.is_null())
     cb.Run(time, max_time, stc);
@@ -261,7 +261,7 @@ void CmaMessageFilterProxy::OnNaturalSizeChanged(
     return;
   if (track_id == kAudioTrackId)
     return;
-  const VideoPipelineClient::NaturalSizeChangedCB& cb =
+  const RendererVideoPipelineClient::NaturalSizeChangedCB& cb =
       entry->video_delegate.client.natural_size_changed_cb;
   if (!cb.is_null())
     cb.Run(size);