Move temp file functions to base namespace.

chrome/browser/sync_file_system/local/syncable_file_operation_runner_unittest.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 <string>
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/location.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 108 matching lines @@
   }
 
   void DidFinish(const tracked_objects::Location& location,
                  PlatformFileError expect, PlatformFileError status) {
     SCOPED_TRACE(testing::Message() << location.ToString());
     EXPECT_EQ(expect, status);
     ++callback_count_;
   }
 
   bool CreateTempFile(base::FilePath* path) {
-    return file_util::CreateTemporaryFileInDir(dir_.path(), path);
+    return base::CreateTemporaryFileInDir(dir_.path(), path);
   }
 
   ScopedEnableSyncFSDirectoryOperation enable_directory_operation_;
   base::ScopedTempDir dir_;
 
   content::TestBrowserThreadBundle thread_bundle_;
   CannedSyncableFileSystem file_system_;
   scoped_refptr<LocalFileSyncContext> sync_context_;
 
   int callback_count_;
@@ skipping 251 matching lines @@
       file_system_.operation_runner()->Truncate(
           URL(kFile), 10,
           ExpectStatus(FROM_HERE, base::PLATFORM_FILE_OK));
   file_system_.operation_runner()->Cancel(
       id, ExpectStatus(FROM_HERE, base::PLATFORM_FILE_ERROR_INVALID_OPERATION));
   base::MessageLoop::current()->RunUntilIdle();
   EXPECT_EQ(2, callback_count_);
 }
 
 }  // namespace sync_file_system