Move IsRunningOnChromeOS to base/chromeos

chrome/browser/low_memory_observer.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 "chrome/browser/low_memory_observer.h"
 
 #include <fcntl.h>
 
 #include "base/bind.h"
+#include "base/chromeos/chromeos_version.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/time.h"
 #include "base/timer.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/chromeos/system/runtime_environment.h"
 #include "chrome/browser/oom_priority_manager.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
 namespace browser {
 
 namespace {
 // This is the file that will exist if low memory notification is available
 // on the device.  Whenever it becomes readable, it signals a low memory
@@ skipping 82 matching lines @@
 void LowMemoryObserverImpl::StartObservingOnFileThread() {
   DCHECK_LE(file_descriptor_, 0)
       << "Attempted to start observation when it was already started.";
   DCHECK(watcher_.get() == NULL);
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   DCHECK(MessageLoopForIO::current());
 
   file_descriptor_ = ::open(kLowMemFile, O_RDONLY);
   // Don't report this error unless we're really running on ChromeOS
   // to avoid testing spam.
-  if (file_descriptor_ < 0 &&
-      chromeos::system::runtime_environment::IsRunningOnChromeOS()) {
+  if (file_descriptor_ < 0 && base::chromeos::IsRunningOnChromeOS()) {
     PLOG(ERROR) << "Unable to open " << kLowMemFile;
     return;
   }
   watcher_.reset(new MessageLoopForIO::FileDescriptorWatcher);
   StartWatchingDescriptor();
 }
 
 void LowMemoryObserverImpl::StopObservingOnFileThread() {
   // If StartObserving failed, StopObserving will still get called.
   timer_.Stop();
@@ skipping 45 matching lines @@
 
 void LowMemoryObserver::Stop() {
   BrowserThread::PostTask(
       BrowserThread::FILE,
       FROM_HERE,
       base::Bind(&LowMemoryObserverImpl::StopObservingOnFileThread,
                  observer_.get()));
 }
 
 }  // namespace browser