Move PathExists to base namespace.

chrome/browser/chromeos/enterprise_extension_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/chromeos/enterprise_extension_observer.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 35 matching lines @@
       FROM_HERE,
       base::Bind(
           &EnterpriseExtensionObserver::CheckExtensionAndNotifyEntd,
           extension->path()));
 }
 
 // static
 void EnterpriseExtensionObserver::CheckExtensionAndNotifyEntd(
     const base::FilePath& path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  if (file_util::PathExists(
+  if (base::PathExists(
       path.Append(FILE_PATH_LITERAL("isa-cros-policy")))) {
     BrowserThread::PostTask(
         BrowserThread::UI,
         FROM_HERE,
         base::Bind(&EnterpriseExtensionObserver::NotifyEntd));
   }
 }
 
 // static
 void EnterpriseExtensionObserver::NotifyEntd() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DBusThreadManager::Get()->GetSessionManagerClient()->RestartEntd();
 }
 
 }  // namespace chromeos