Use GetSwitchValuePath.

chrome/plugin/plugin_thread.cc

 // Copyright (c) 2006-2008 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 "chrome/plugin/plugin_thread.h"
 
 #include "build/build_config.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/process_util.h"
 #include "base/thread_local.h"
 #include "chrome/common/child_process.h"
 #include "chrome/common/chrome_plugin_lib.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/plugin_messages.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/plugin/chrome_plugin_host.h"
 #include "chrome/plugin/npobject_util.h"
 #include "chrome/renderer/render_thread.h"
 #include "net/base/net_errors.h"
 #include "webkit/glue/plugins/plugin_lib.h"
 #include "webkit/glue/webkit_glue.h"
 
 static base::LazyInstance<base::ThreadLocalPointer<PluginThread> > lazy_tls(
     base::LINKER_INITIALIZED);
 
 PluginThread::PluginThread()
     : preloaded_plugin_module_(NULL) {
-  plugin_path_ = FilePath::FromWStringHack(
-      CommandLine::ForCurrentProcess()->GetSwitchValue(switches::kPluginPath));
+  plugin_path_ =
+      CommandLine::ForCurrentProcess()->GetSwitchValuePath(
+          switches::kPluginPath);
 
   lazy_tls.Pointer()->Set(this);
 #if defined(OS_LINUX)
   {
     // XEmbed plugins assume they are hosted in a Gtk application, so we need
     // to initialize Gtk in the plugin process.
     g_thread_init(NULL);
     const std::vector<std::string>& args =
         CommandLine::ForCurrentProcess()->argv();
     int argc = args.size();
@@ skipping 202 matching lines @@
   }
 
   if (!result || net_error != net::OK)
     return false;
 
   *proxy_list = proxy_result;
   return true;
 }
 
 } // namespace webkit_glue