Plugin Power Saver: Make PPS work well with prerendered pages.

content/renderer/pepper/plugin_instance_throttler_impl.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_PEPPER_PLUGIN_INSTANCE_THROTTLER_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PLUGIN_INSTANCE_THROTTLER_IMPL_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
@@ skipping 66 matching lines @@
     // Plugin instance has been marked essential.
     THROTTLER_STATE_MARKED_ESSENTIAL,
   };
 
   // Maximum number of frames to examine for a suitable keyframe. After that, we
   // simply suspend the plugin where it's at. Chosen arbitrarily.
   static const int kMaximumFramesToExamine;
 
   void AudioThrottledFrameTimeout();
   void EngageThrottle();
+  void BroadcastThrottleStateChange();
 
   ThrottlerState state_;
 
   bool is_hidden_for_placeholder_;
 
   PepperWebPluginImpl* web_plugin_;
 
   // Holds a reference to the last received frame. This doesn't actually copy
   // the pixel data, but rather increments the reference count to the pixels.
   SkBitmap last_received_frame_;
@@ skipping 17 matching lines @@
 
   ObserverList<Observer> observer_list_;
 
   base::WeakPtrFactory<PluginInstanceThrottlerImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginInstanceThrottlerImpl);
 };
 }
 
 #endif  // CONTENT_RENDERER_PEPPER_PLUGIN_INSTANCE_THROTTLER_IMPL_H_