Move temp file functions to base namespace.

chrome/browser/extensions/api/image_writer_private/operation.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 "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/threading/worker_pool.h"
 #include "chrome/browser/extensions/api/image_writer_private/error_messages.h"
 #include "chrome/browser/extensions/api/image_writer_private/operation.h"
 #include "chrome/browser/extensions/api/image_writer_private/operation_manager.h"
@@ skipping 161 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   if (IsCancelled()) {
     return;
   }
 
   DVLOG(1) << "Starting unzip stage for " << zip_file->value();
 
   SetStage(image_writer_api::STAGE_UNZIP);
 
   base::FilePath tmp_dir;
-  if (!file_util::CreateTemporaryDirInDir(zip_file->DirName(),
-                                          FILE_PATH_LITERAL("image_writer"),
-                                          &tmp_dir)) {
+  if (!base::CreateTemporaryDirInDir(zip_file->DirName(),
+                                     FILE_PATH_LITERAL("image_writer"),
+                                     &tmp_dir)) {
     Error(error::kTempDir);
     return;
   }
 
   AddCleanUpFunction(base::Bind(&RemoveTempDirectory, tmp_dir));
 
   if (!zip::Unzip(*zip_file, tmp_dir)) {
     Error(error::kUnzip);
     return;
   }
@@ skipping 116 matching lines @@
       callback.Run(hash.Pass());
     }
   } else {  // len < 0
     reader->Close();
     Error(error::kReadImage);
   }
 }
 
 }  // namespace image_writer
 }  // namespace extensions