Plugin Power Saver: Throttled Plugins should block TCPSocket reads.

content/browser/ppapi_plugin_process_host.h

Index: content/browser/ppapi_plugin_process_host.h
diff --git a/content/browser/ppapi_plugin_process_host.h b/content/browser/ppapi_plugin_process_host.h
index 3f90d3025dc741653a74a4ca8e0290500fd4bf0d..e4c58a9b33bf9af05d8330774cce748a1b1f3770 100644
--- a/content/browser/ppapi_plugin_process_host.h
+++ b/content/browser/ppapi_plugin_process_host.h
@@ -90,6 +90,11 @@ class PpapiPluginProcessHost : public BrowserChildProcessHostDelegate,
   static void DidDeleteOutOfProcessInstance(int plugin_process_id,
                                             int32 pp_instance);
 
+  // Notification that a Plugin instance has been throttled or unthrottled.
+  static void OnPluginInstanceThrottleStateChange(int plugin_process_id,
+                                                  int32 pp_instance,
+                                                  bool is_throttled);
+
   // Returns the instances that match the specified process name.
   // It can only be called on the IO thread.
   static void FindByName(const base::string16& name,