Ensure we don't load plugins on the IO thread

webkit/tools/test_shell/test_shell_win.cc

 // Copyright (c) 2009 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/tools/test_shell/test_shell.h"
 
 #include <windows.h>
 #include <commdlg.h>
 #include <objbase.h>
 #include <process.h>
@@ skipping 740 matching lines @@
     break;
   }
 
   return StringPiece();
 }
 
 HCURSOR LoadCursor(int cursor_id) {
   return NULL;
 }
 
-bool GetPlugins(bool refresh, std::vector<WebPluginInfo>* plugins) {
-  return NPAPI::PluginList::Singleton()->GetPlugins(refresh, plugins);
+void GetPlugins(bool refresh, std::vector<WebPluginInfo>* plugins) {
+  NPAPI::PluginList::Singleton()->GetPlugins(refresh, plugins);
 }
 
 bool EnsureFontLoaded(HFONT font) {
   return true;
 }
 
 bool DownloadUrl(const std::string& url, HWND caller_window) {
   return false;
 }
 
 }  // namespace webkit_glue