Move more file_util functions to base namespace.

chrome/browser/extensions/sandboxed_unpacker.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/extensions/sandboxed_unpacker.h"
 
 #include <set>
 
 #include "base/base64.h"
 #include "base/bind.h"
@@ skipping 397 matching lines @@
   CHECK(unpacker_io_task_runner_->RunsTasksOnCurrentThread());
   got_response_ = true;
   ReportFailure(
       UNPACKER_CLIENT_FAILED,
       l10n_util::GetStringFUTF16(
            IDS_EXTENSION_PACKAGE_ERROR_MESSAGE,
            error));
 }
 
 bool SandboxedUnpacker::ValidateSignature() {
-  ScopedStdioHandle file(file_util::OpenFile(crx_path_, "rb"));
+  ScopedStdioHandle file(base::OpenFile(crx_path_, "rb"));
 
   if (!file.get()) {
     // Could not open crx file for reading.
 #if defined (OS_WIN)
     // On windows, get the error code.
     uint32 error_code = ::GetLastError();
     // TODO(skerner): Use this histogram to understand why so many
     // windows users hit this error.  crbug.com/69693
 
     // Windows errors are unit32s, but all of likely errors are in
@@ skipping 393 matching lines @@
 
 void SandboxedUnpacker::Cleanup() {
   DCHECK(unpacker_io_task_runner_->RunsTasksOnCurrentThread());
   if (!temp_dir_.Delete()) {
     LOG(WARNING) << "Can not delete temp directory at "
                  << temp_dir_.path().value();
   }
 }
 
 }  // namespace extensions