Move IsRunningOnChromeOS to base/chromeos

chrome/browser/chromeos/system/screen_locker_settings.cc

 // Copyright (c) 2011 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/browser/chromeos/system/screen_locker_settings.h"
 
 #include "base/bind.h"
+#include "base/chromeos/chromeos_version.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/stringprintf.h"
-#include "chrome/browser/chromeos/system/runtime_environment.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
 namespace {
 
 const char kLockOnIdleSuspendPath[] =
     "/var/lib/power_manager/lock_on_idle_suspend";
 
 void EnableScreenLockOnFileThread(bool enable) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 
-  if (chromeos::system::runtime_environment::IsRunningOnChromeOS()) {
+  if (base::chromeos::IsRunningOnChromeOS()) {
     std::string config = base::StringPrintf("%d", enable);
     file_util::WriteFile(FilePath(kLockOnIdleSuspendPath),
                          config.c_str(),
                          config.size());
   }
 }
 
 }  // namespace
 
 namespace chromeos {
 namespace system {
 namespace screen_locker_settings {
 
 void EnableScreenLock(bool enable) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   // Run this on the FILE thread.
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
       base::Bind(&EnableScreenLockOnFileThread, enable));
 }
 
 }  // namespace screen_locker_settings
 }  // namespace system
 }  // namespace chromeos