SystemMonitor refactoring: move power state monitor into a separate class called PowerMonitor

chrome/nacl/nacl_main.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 "build/build_config.h"
 
 #include "base/command_line.h"
 #include "base/hi_res_timer_manager.h"
 #include "base/message_loop.h"
-#include "base/system_monitor/system_monitor.h"
+#include "base/power_monitor/power_monitor.h"
 #include "chrome/common/chrome_result_codes.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/logging_chrome.h"
 #include "chrome/nacl/nacl_listener.h"
 #include "chrome/nacl/nacl_main_platform_delegate.h"
 #include "content/public/common/main_function_params.h"
 
 // main() routine for the NaCl loader process.
 int NaClMain(const content::MainFunctionParams& parameters) {
   const CommandLine& parsed_command_line = parameters.command_line;
 
   // The main thread of the plugin services IO.
   MessageLoopForIO main_message_loop;
   base::PlatformThread::SetName("CrNaClMain");
 
-  base::SystemMonitor system_monitor;
+  base::PowerMonitor power_monitor;
   HighResolutionTimerManager hi_res_timer_manager;
 
 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
   NaClMainPlatformDelegate platform(parameters);
 
   platform.PlatformInitialize();
   bool no_sandbox = parsed_command_line.HasSwitch(switches::kNoSandbox);
   platform.InitSandboxTests(no_sandbox);
 
   if (!no_sandbox) {
@@ skipping 11 matching lines @@
     // require waiting for a timeout.
     VLOG(1) << "Sandbox test failed: Not launching NaCl process";
   }
 #else
   NOTIMPLEMENTED() << " not implemented startup, plugin startup dialog etc.";
 #endif
 
   platform.PlatformUninitialize();
   return 0;
 }