Move temp file functions to base namespace.

content/child/npapi/plugin_stream_posix.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 "content/child/npapi/plugin_stream.h"
 
 #include <string.h>
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 15 matching lines @@
     instance_->NPP_StreamAsFile(&stream_, temp_file_path_.value().c_str());
 }
 
 size_t PluginStream::WriteBytes(const char* buf, size_t length) {
   return fwrite(buf, sizeof(char), length, temp_file_);
 }
 
 bool PluginStream::OpenTempFile() {
   DCHECK_EQ(static_cast<FILE*>(NULL), temp_file_);
 
-  if (file_util::CreateTemporaryFile(&temp_file_path_))
+  if (base::CreateTemporaryFile(&temp_file_path_))
     temp_file_ = file_util::OpenFile(temp_file_path_, "a");
 
   if (!temp_file_) {
     base::DeleteFile(temp_file_path_, false);
     ResetTempFileName();
     return false;
   }
   return true;
 }
 
 void PluginStream::CloseTempFile() {
   if (!TempFileIsValid())
     return;
 
   file_util::CloseFile(temp_file_);
   ResetTempFileHandle();
 }
 
 bool PluginStream::TempFileIsValid() const {
   return temp_file_ != NULL;
 }
 
 }  // namespace content