Remaining cleanup (base::Bind): Replacing FileUtilProxy calls with new callback

chrome/browser/nacl_host/nacl_process_host.cc

 // Copyright (c) 2011 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 "build/build_config.h"
 
 #include "chrome/browser/nacl_host/nacl_process_host.h"
 
 #if defined(OS_POSIX)
 #include <fcntl.h>
@@ skipping 246 matching lines @@
   } else {
     FilePath plugin_dir;
     if (!PathService::Get(chrome::DIR_INTERNAL_PLUGINS, &plugin_dir)) {
       LOG(ERROR) << "Failed to locate the plugins directory";
       delete this;
       return;
     }
     irt_path = plugin_dir.Append(GetIrtLibraryFilename());
   }
 
-  base::FileUtilProxy::CreateOrOpenCallback callback =
-      base::Bind(&NaClProcessHost::OpenIrtFileDone, weak_factory_.GetWeakPtr());
   if (!base::FileUtilProxy::CreateOrOpen(
            BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
            irt_path,
            base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ,
-           callback)) {
+           base::Bind(&NaClProcessHost::OpenIrtFileDone,
+                      weak_factory_.GetWeakPtr()))) {
     delete this;
   }
 }
 
 void NaClProcessHost::OpenIrtFileDone(base::PlatformFileError error_code,
                                       base::PassPlatformFile file,
                                       bool created) {
   std::vector<nacl::FileDescriptor> handles_for_renderer;
   base::ProcessHandle nacl_process_handle;
   bool have_irt_file = false;
@@ skipping 113 matching lines @@
 }
 
 bool NaClProcessHost::OnMessageReceived(const IPC::Message& msg) {
   NOTREACHED() << "Invalid message with type = " << msg.type();
   return false;
 }
 
 bool NaClProcessHost::CanShutdown() {
   return true;
 }