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

content/renderer/pepper/plugin_module.cc

 // Copyright (c) 2012 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.
 
 #include "content/renderer/pepper/plugin_module.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 236 matching lines @@
 PP_Bool IsOutOfProcess() { return PP_FALSE; }
 
 PP_Bool IsPeripheral(PP_Instance instance_id) {
   PepperPluginInstanceImpl* plugin_instance =
       host_globals->GetInstance(instance_id);
   if (!plugin_instance || !plugin_instance->throttler())
     return PP_FALSE;
   return PP_FromBool(plugin_instance->throttler()->power_saver_enabled());
 }
 
+PP_Bool IsThrottled(PP_Instance instance_id) {
+  PepperPluginInstanceImpl* plugin_instance =
+      host_globals->GetInstance(instance_id);
+  if (!plugin_instance || !plugin_instance->throttler())
+    return PP_FALSE;
+  return PP_FromBool(plugin_instance->throttler()->IsThrottled());
+}
+
 void SimulateInputEvent(PP_Instance instance, PP_Resource input_event) {
   PepperPluginInstanceImpl* plugin_instance =
       host_globals->GetInstance(instance);
   if (!plugin_instance)
     return;
 
   EnterResource<PPB_InputEvent_API> enter(input_event, false);
   if (enter.failed())
     return;
 
@@ skipping 29 matching lines @@
       RequestGarbageCollectionForTesting(v8::Isolate::kFullGarbageCollection);
 }
 
 const PPB_Testing_Private testing_interface = {
     &ReadImageData,
     &RunMessageLoop,
     &QuitMessageLoop,
     &GetLiveObjectsForInstance,
     &IsOutOfProcess,
     &IsPeripheral,
+    &IsThrottled,
     &SimulateInputEvent,
     &GetDocumentURL,
     &GetLiveVars,
     &SetMinimumArrayBufferSizeForShmem,
     &RunV8GC};
 
 // GetInterface ----------------------------------------------------------------
 
 const void* InternalGetInterface(const char* name) {
   // Allow custom interface factories first stab at the GetInterface call.
@@ skipping 420 matching lines @@
                                         channel_handle,
                                         peer_pid,
                                         plugin_child_id,
                                         false))  // is_external = false
     return scoped_refptr<PluginModule>();
 
   return module;
 }
 
 }  // namespace content