Ensure we don't load plugins on the IO thread

webkit/glue/webkitclient_impl.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/glue/webkitclient_impl.h"
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/platform_file.h"
@@ skipping 90 matching lines @@
 #endif
 }
 
 WebURLLoader* WebKitClientImpl::createURLLoader() {
   return new WebURLLoaderImpl();
 }
 
 void WebKitClientImpl::getPluginList(bool refresh,
                                      WebPluginListBuilder* builder) {
   std::vector<WebPluginInfo> plugins;
-  if (!GetPlugins(refresh, &plugins))
-    return;
+  GetPlugins(refresh, &plugins);
 
   for (size_t i = 0; i < plugins.size(); ++i) {
     const WebPluginInfo& plugin = plugins[i];
 
     builder->addPlugin(
         WideToUTF16Hack(plugin.name),
         WideToUTF16Hack(plugin.desc),
         FilePathStringToWebString(plugin.path.BaseName().value()));
 
     for (size_t j = 0; j < plugin.mime_types.size(); ++ j) {
@@ skipping 177 matching lines @@
 }
 
 bool WebKitClientImpl::makeAllDirectories(
     const WebKit::WebString& path) {
   DCHECK(!sandboxEnabled());
   FilePath::StringType file_path = webkit_glue::WebStringToFilePathString(path);
   return file_util::CreateDirectory(FilePath(file_path));
 }
 
 }  // namespace webkit_glue