Make SystemMonitor not a Singleton and move it out of base

chrome/plugin/plugin_main.cc

 // Copyright (c) 2006-2008 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 "app/hi_res_timer_manager.h"
+#include "app/system_monitor.h"
 #if defined(OS_WIN)
 #include "app/win_util.h"
 #endif
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
-#include "base/system_monitor.h"
 #include "chrome/common/child_process.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/logging_chrome.h"
 #include "chrome/common/main_function_params.h"
 #include "chrome/plugin/plugin_thread.h"
 
 #if defined(OS_WIN)
 #include "chrome/test/injection_test_dll.h"
 #include "sandbox/src/sandbox.h"
@@ skipping 58 matching lines @@
   // full screen mode in Flash), those windows would not receive events.
   // Instead, WebPluginDelegateImpl::OnNullEvent will dispatch any pending
   // system events directly to the plugin.
   MessageLoop main_message_loop(MessageLoop::TYPE_DEFAULT);
 #else
   MessageLoop main_message_loop(MessageLoop::TYPE_UI);
 #endif
   std::wstring app_name = chrome::kBrowserAppName;
   PlatformThread::SetName(WideToASCII(app_name + L"_PluginMain").c_str());
 
-  // Initialize the SystemMonitor
-  base::SystemMonitor::Start();
+  SystemMonitor system_monitor;
+  HighResolutionTimerManager high_resolution_timer_manager;
 
 #if defined(OS_MACOSX)
   TrimInterposeEnvironment();
 #endif
 
   const CommandLine& parsed_command_line = parameters.command_line_;
 
 #if defined(OS_WIN)
   sandbox::TargetServices* target_services =
       parameters.sandbox_info_.TargetServices();
@@ skipping 47 matching lines @@
 
     MessageLoop::current()->Run();
   }
 
 #if defined(OS_WIN)
   CoUninitialize();
 #endif
 
   return 0;
 }