Move browser-agnostic code from file_system_util to file_system_core_util.

chrome/browser/chromeos/drive/drive_integration_service.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 CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_INTEGRATION_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_INTEGRATION_SERVICE_H_
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "chrome/browser/chromeos/drive/file_errors.h"
-#include "chrome/browser/chromeos/drive/file_system_util.h"
+#include "chrome/browser/chromeos/drive/file_system_core_util.h"
 #include "chrome/browser/chromeos/drive/job_scheduler.h"
 #include "chrome/browser/drive/drive_notification_observer.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
+class Profile;
+
 namespace base {
 class FilePath;
 class SequencedTaskRunner;
 }
 
 namespace drive {
 
 class DebugInfoCollector;
 class DownloadHandler;
 class DriveAppRegistry;
@@ skipping 203 matching lines @@
   // allows factory creation to be delayed until it normally happens (on profile
   // creation) rather than when tests are set up. DriveIntegrationServiceFactory
   // transitively depends on ExtensionSystemFactory which crashes if created too
   // soon (i.e. before the BrowserProcess exists).
   static FactoryCallback* factory_for_test_;
 };
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_INTEGRATION_SERVICE_H_