Further cleanup in PluginStream.

webkit/plugins/npapi/plugin_stream_win.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 "webkit/plugins/npapi/plugin_stream.h"
 
 #include "base/logging.h"
 #include "webkit/plugins/npapi/plugin_instance.h"
 
 namespace webkit {
 namespace npapi {
 
 void PluginStream::ResetTempFileHandle() {
   temp_file_handle_ = INVALID_HANDLE_VALUE;
 }
 
 void PluginStream::ResetTempFileName() {
   temp_file_name_[0] = '\0';
 }
 
 void PluginStream::WriteAsFile() {
-  if (requested_plugin_mode_ == NP_ASFILE ||
-      requested_plugin_mode_ == NP_ASFILEONLY)
+  if (RequestedPluginModeIsAsFile())
     instance_->NPP_StreamAsFile(&stream_, temp_file_name_);
 }
 
 size_t PluginStream::WriteBytes(const char *buf, size_t length) {
   DWORD bytes;
 
   if (!WriteFile(temp_file_handle_, buf, length, &bytes, 0))
     return 0U;
 
   return static_cast<size_t>(bytes);
@@ skipping 39 matching lines @@
   CloseHandle(temp_file_handle_);
   ResetTempFileHandle();
 }
 
 bool PluginStream::TempFileIsValid() const {
   return temp_file_handle_ != INVALID_HANDLE_VALUE;
 }
 
 }  // namespace npapi
 }  // namespace webkit