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

ppapi/proxy/ppb_testing_proxy.h

Index: ppapi/proxy/ppb_testing_proxy.h
diff --git a/ppapi/proxy/ppb_testing_proxy.h b/ppapi/proxy/ppb_testing_proxy.h
index dd8a6e834886bd319db1e59688e553076cc143b1..027b8874254482f811d05f50a57e39ecef788c82 100644
--- a/ppapi/proxy/ppb_testing_proxy.h
+++ b/ppapi/proxy/ppb_testing_proxy.h
@@ -10,6 +10,7 @@
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/private/ppb_testing_private.h"
 #include "ppapi/proxy/interface_proxy.h"
+#include "ppapi/proxy/serialized_var.h"
 #include "ppapi/shared_impl/host_resource.h"
 
 struct PP_Point;
@@ -39,7 +40,9 @@ class PPB_Testing_Proxy : public InterfaceProxy {
   void OnMsgRunMessageLoop(PP_Instance instance);
   void OnMsgQuitMessageLoop(PP_Instance instance);
   void OnMsgGetLiveObjectsForInstance(PP_Instance instance, uint32_t* result);
-  void OnMsgIsPeripheral(PP_Instance instance, PP_Bool* result);
+  void OnMsgGetPowerSaverStatus(PP_Instance instance,
+                                SerializedVarReturnValue result);
+  void OnMsgSubscribeToPowerSaverNotifications(PP_Instance instance);
   void OnMsgSimulateInputEvent(PP_Instance instance,
                                const ppapi::InputEventData& input_event);
   void OnMsgSetMinimumArrayBufferSizeForShmem(uint32_t threshold);