Rename OS-specific MemoryPressureMonitor implementations.

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/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer/timer.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;
-#if defined(OS_CHROMEOS)
-class MemoryPressureMonitorChromeOS;
-#elif (defined(OS_MACOSX) && !defined(OS_IOS)) || defined(OS_WIN)
 class MemoryPressureMonitor;
-#endif
 namespace trace_event {
 class TraceMemoryController;
 class TraceEventSystemStatsMonitor;
 }  // namespace trace_event
 }  // namespace base
 
 namespace media {
 class AudioManager;
 class UserInputMonitor;
 namespace midi {
@@ skipping 137 matching lines @@
   scoped_ptr<SystemMessageWindowWin> system_message_window_;
 #elif defined(USE_UDEV)
   scoped_ptr<DeviceMonitorLinux> device_monitor_linux_;
 #elif defined(OS_MACOSX) && !defined(OS_IOS)
   scoped_ptr<DeviceMonitorMac> device_monitor_mac_;
 #endif
 #if defined(OS_ANDROID)
   // Android implementation of ScreenOrientationDelegate
   scoped_ptr<ScreenOrientationDelegate> screen_orientation_delegate_;
 #endif
-#if defined(OS_CHROMEOS)
-  scoped_ptr<base::MemoryPressureMonitorChromeOS> memory_pressure_monitor_;
-#elif (defined(OS_MACOSX) && !defined(OS_IOS)) || defined(OS_WIN)
+
+  // Memory pressure monitor. Created in PreCreateThreads and torn down in
+  // ShutdownThreadsAndCleanUp.
   scoped_ptr<base::MemoryPressureMonitor> memory_pressure_monitor_;
-#endif
+
   // The startup task runner is created by CreateStartupTasks()
   scoped_ptr<StartupTaskRunner> startup_task_runner_;
 
   // Destroy parts_ before main_message_loop_ (required) and before other
   // classes constructed in content (but after main_thread_).
   scoped_ptr<BrowserMainParts> parts_;
 
   // Members initialized in |InitializeMainThread()| ---------------------------
   // This must get destroyed before other threads that are created in parts_.
   scoped_ptr<BrowserThreadImpl> main_thread_;
@@ skipping 21 matching lines @@
 
   // This timer initiates trace file saving.
   base::OneShotTimer<BrowserMainLoop> startup_trace_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserMainLoop);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_