Ensure we don't load plugins on the IO thread

webkit/tools/test_shell/test_worker/test_worker_main.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 "config.h"
 
 #undef LOG
 
 #include "base/at_exit.h"
 #include "base/gfx/native_widget_types.h"
@@ skipping 190 matching lines @@
 }
 
 bool SpellCheckWord(const wchar_t* word, int word_len,
                     int* misspelling_start, int* misspelling_len) {
   // Report all words being correctly spelled.
   *misspelling_start = 0;
   *misspelling_len = 0;
   return true;
 }
 
-bool GetPlugins(bool refresh, std::vector<WebPluginInfo>* plugins) {
-  return false;
+void GetPlugins(bool refresh, std::vector<WebPluginInfo>* plugins) {
 }
 
 bool IsPluginRunningInRendererProcess() {
   return false;
 }
 
 bool GetPluginFinderURL(std::string* plugin_finder_url) {
   return false;
 }
 
@@ skipping 21 matching lines @@
 bool DownloadUrl(const std::string& url, HWND caller_window) {
   return false;
 }
 #endif
 
 }  // namespace webkit_glue
 
 #if defined(COMPILER_GCC)
 #pragma GCC visibility pop
 #endif