Support for defered media load to cast_content_render_client.

chromecast/base/metrics/cast_metrics_helper.h

Index: chromecast/base/metrics/cast_metrics_helper.h
diff --git a/chromecast/base/metrics/cast_metrics_helper.h b/chromecast/base/metrics/cast_metrics_helper.h
index fb22ff8c6af1c65fe09b13241798f7f19dce54a7..5dbba7c4fa8601ba55f789b87ad4eb298d4fa5e3 100644
--- a/chromecast/base/metrics/cast_metrics_helper.h
+++ b/chromecast/base/metrics/cast_metrics_helper.h
@@ -76,6 +76,9 @@ class CastMetricsHelper {
   // This is used as an in-place replacement of content::RecordComputedAction().
   virtual void RecordSimpleAction(const std::string& action);
 
+  // Logs UMA record of the time the app made its first paint.
+  virtual void LogTimeToFirstPaint();
+
   // Logs UMA record of the elapsed time from the app launch
   // to the time first video frame is displayed.
   virtual void LogTimeToDisplayVideo();