Attempting to resolve a race condition with PowerMonitor

content/browser/browser_main_loop.h

 // 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.
 
 #ifndef CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_
 #define CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/browser_process_sub_thread.h"
 #include "content/public/browser/browser_main_runner.h"
 
 namespace base {
 class CommandLine;
 class FilePath;
 class HighResolutionTimerManager;
 class MessageLoop;
-class PowerMonitor;
 class SystemMonitor;
 namespace debug {
 class TraceMemoryController;
 class TraceEventSystemStatsMonitor;
 }  // namespace debug
 }  // namespace base
 
 namespace media {
 class AudioManager;
 class MidiManager;
@@ skipping 102 matching lines @@
   // Members initialized on construction ---------------------------------------
   const MainFunctionParams& parameters_;
   const base::CommandLine& parsed_command_line_;
   int result_code_;
   // True if the non-UI threads were created.
   bool created_threads_;
 
   // Members initialized in |MainMessageLoopStart()| ---------------------------
   scoped_ptr<base::MessageLoop> main_message_loop_;
   scoped_ptr<base::SystemMonitor> system_monitor_;
-  scoped_ptr<base::PowerMonitor> power_monitor_;
   scoped_ptr<base::HighResolutionTimerManager> hi_res_timer_manager_;
   scoped_ptr<net::NetworkChangeNotifier> network_change_notifier_;
   // user_input_monitor_ has to outlive audio_manager_, so declared first.
   scoped_ptr<media::UserInputMonitor> user_input_monitor_;
   scoped_ptr<media::AudioManager> audio_manager_;
   scoped_ptr<media::MidiManager> midi_manager_;
   scoped_ptr<AudioMirroringManager> audio_mirroring_manager_;
   scoped_ptr<MediaStreamManager> media_stream_manager_;
   // Per-process listener for online state changes.
   scoped_ptr<BrowserOnlineStateObserver> online_state_observer_;
@@ skipping 32 matching lines @@
   scoped_ptr<base::debug::TraceEventSystemStatsMonitor> system_stats_monitor_;
 
   bool is_tracing_startup_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserMainLoop);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_