Plugin Power Saver: Make Unthrottle metric collection more consistent

chrome/renderer/plugins/chrome_plugin_placeholder.cc

 // Copyright 2013 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 "chrome/renderer/plugins/chrome_plugin_placeholder.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/prerender_messages.h"
 #include "chrome/common/render_messages.h"
@@ skipping 285 matching lines @@
 }
 
 void ChromePluginPlaceholder::OnMenuAction(int request_id, unsigned action) {
   DCHECK_EQ(context_menu_request_id_, request_id);
   if (g_last_active_menu != this)
     return;
   switch (action) {
     case chrome::MENU_COMMAND_PLUGIN_RUN: {
       RenderThread::Get()->RecordAction(UserMetricsAction("Plugin_Load_Menu"));
 #if defined(ENABLE_PLUGINS)
-      DisablePowerSaverForInstance();
+      DisablePowerSaverForInstance(
+          content::PluginInstanceThrottler::UNTHROTTLE_METHOD_BY_CLICK);
 #endif
       LoadPlugin();
       break;
     }
     case chrome::MENU_COMMAND_PLUGIN_HIDE: {
       RenderThread::Get()->RecordAction(UserMetricsAction("Plugin_Hide_Menu"));
       HidePlugin();
       break;
     }
     default:
@@ skipping 54 matching lines @@
   v8::Handle<v8::Object> global = context->Global();
   global->Set(gin::StringToV8(isolate, "plugin"),
               gin::CreateHandle(isolate, this).ToV8());
 }
 
 gin::ObjectTemplateBuilder ChromePluginPlaceholder::GetObjectTemplateBuilder(
     v8::Isolate* isolate) {
   return LoadablePluginPlaceholder::GetObjectTemplateBuilder(isolate).SetMethod(
       "openAboutPlugins", &ChromePluginPlaceholder::OpenAboutPluginsCallback);
 }