Move browser-agnostic code from file_system_util to file_system_core_util.

chrome/browser/chromeos/drive/resource_metadata.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/drive/resource_metadata.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/guid.h"
 #include "base/location.h"
 #include "base/rand_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/sys_info.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/file_cache.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/resource_metadata_storage.h"
 
 namespace drive {
 namespace internal {
 namespace {
 
 // Returns true if enough disk space is available for DB operation.
 // TODO(hashimoto): Merge this with FileCache's FreeDiskSpaceGetterInterface.
 bool EnoughDiskSpaceIsAvailableForDBOperation(const base::FilePath& path) {
   const int64 kRequiredDiskSpaceInMB = 128;  // 128 MB seems to be large enough.
@@ skipping 570 matching lines @@
 
   error = cache_->Remove(id);
   if (error != FILE_ERROR_OK)
     return error;
 
   return storage_->RemoveEntry(id);
 }
 
 }  // namespace internal
 }  // namespace drive