Move temp file functions to base namespace.

chrome/browser/chromeos/drive/resource_metadata_storage_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 "chrome/browser/chromeos/drive/resource_metadata_storage.h"
 
 #include <algorithm>
 
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 414 matching lines @@
 
   // Data is erased because of the incompatible version.
   EXPECT_EQ(0, storage_->GetLargestChangestamp());
   EXPECT_FALSE(storage_->GetEntry(key1, &entry));
   EXPECT_FALSE(storage_->GetCacheEntry(key1, &cache_entry));
 }
 
 TEST_F(ResourceMetadataStorageTest, WrongPath) {
   // Create a file.
   base::FilePath path;
-  ASSERT_TRUE(file_util::CreateTemporaryFileInDir(temp_dir_.path(), &path));
+  ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &path));
 
   storage_.reset(new ResourceMetadataStorage(
       path, base::MessageLoopProxy::current().get()));
   // Cannot initialize DB beacause the path does not point a directory.
   ASSERT_FALSE(storage_->Initialize());
 }
 
 TEST_F(ResourceMetadataStorageTest, RecoverCacheEntriesFromTrashedResourceMap) {
   // Put some cache entries.
   FileCacheEntry cache_entry;
@@ skipping 110 matching lines @@
   EXPECT_TRUE(storage_->RemoveEntry(key3));
   EXPECT_TRUE(CheckValidity());
 
   // Remove key1.
   EXPECT_TRUE(storage_->RemoveEntry(key1));
   EXPECT_TRUE(CheckValidity());
 }
 
 }  // namespace internal
 }  // namespace drive