Plugin Power Saver: Mute throttled plugins.

content/renderer/pepper/plugin_instance_throttler_impl.h

Index: content/renderer/pepper/plugin_instance_throttler_impl.h
diff --git a/content/renderer/pepper/plugin_instance_throttler_impl.h b/content/renderer/pepper/plugin_instance_throttler_impl.h
index 14352c119b204e5b736ef010e86d6c1ef3c3a68a..1a9b62b7967fe8831cb27cdd9e9d8adb76097527 100644
--- a/content/renderer/pepper/plugin_instance_throttler_impl.h
+++ b/content/renderer/pepper/plugin_instance_throttler_impl.h
@@ -55,22 +55,9 @@ class CONTENT_EXPORT PluginInstanceThrottlerImpl
  private:
   friend class PluginInstanceThrottlerImplTest;
 
-  enum State {
-    // Initial state if Power Saver is disabled. We are just collecting metrics.
-    POWER_SAVER_DISABLED,
-    // Initial state if Power Saver is enabled. Waiting for a keyframe.
-    POWER_SAVER_ENABLED_AWAITING_KEYFRAME,
-    // We've chosen a keyframe and the plug-in is throttled.
-    POWER_SAVER_ENABLED_PLUGIN_THROTTLED,
-    // Plugin instance is no longer considered peripheral. This can happen from
-    // a user click, whitelisting, or some other reason. We can end up in this
-    // state regardless of whether power saver is enabled.
-    PLUGIN_INSTANCE_MARKED_ESSENTIAL
-  };
-
   void EngageThrottle();
 
-  State state_;
+  PowerSaverState state_;
 
   // Number of consecutive interesting frames we've encountered.
   int consecutive_interesting_frames_;