Move temp file functions to base namespace.

chrome/browser/sync_file_system/local/local_file_sync_context.cc

 // Copyright 2013 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/sync_file_system/local/local_file_sync_context.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/location.h"
 #include "base/platform_file.h"
@@ skipping 775 matching lines @@
   base::PlatformFileError file_error = file_util->GetFileInfo(
       make_scoped_ptr(
           new FileSystemOperationContext(file_system_context)).get(),
       url,
       &file_info,
       &platform_path);
 
   webkit_blob::ScopedFile snapshot;
   if (file_error == base::PLATFORM_FILE_OK && sync_mode == SYNC_SNAPSHOT) {
     base::FilePath snapshot_path;
-    file_util::CreateTemporaryFileInDir(local_base_path_.Append(kSnapshotDir),
-                                        &snapshot_path);
+    base::CreateTemporaryFileInDir(local_base_path_.Append(kSnapshotDir),
+                                   &snapshot_path);
     if (base::CopyFile(platform_path, snapshot_path)) {
       platform_path = snapshot_path;
       snapshot = webkit_blob::ScopedFile(
           snapshot_path,
           webkit_blob::ScopedFile::DELETE_ON_SCOPE_OUT,
           file_system_context->default_file_task_runner());
     }
   }
 
   if (status == SYNC_STATUS_OK &&
@@ skipping 122 matching lines @@
     return;
   }
 
   FileSystemURL url_for_sync = CreateSyncableFileSystemURLForSync(
       file_system_context, dest_url);
   file_system_context->operation_runner()->CopyInForeignFile(
       local_path, url_for_sync, callback);
 }
 
 }  // namespace sync_file_system