Get chrome to link with USE_AURA

chrome/browser/chrome_plugin_message_filter.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_CHROME_PLUGIN_MESSAGE_FILTER_H_
 #define CHROME_BROWSER_CHROME_PLUGIN_MESSAGE_FILTER_H_
 #pragma once
 
 #include "ipc/ipc_channel_proxy.h"
 #include "ui/gfx/native_widget_types.h"
 
 class PluginProcessHost;
 
 // This class filters out incoming Chrome-specific IPC messages for the plugin
 // process on the IPC thread.
 class ChromePluginMessageFilter : public IPC::ChannelProxy::MessageFilter,
                                   public IPC::Message::Sender {
  public:
   ChromePluginMessageFilter(PluginProcessHost* process);
 
   // BrowserMessageFilter methods:
   virtual bool OnMessageReceived(const IPC::Message& message);
 
   // IPC::Message::Sender methods:
   virtual bool Send(IPC::Message* message);
 
  private:
   virtual ~ChromePluginMessageFilter();
 
-#if defined(OS_WIN)
+#if defined(OS_WIN) && !defined(USE_AURA)
   void OnDownloadUrl(const std::string& url,
                      gfx::NativeWindow caller_window);
   // Helper function to issue the download request on the file thread.
   static void OnDownloadUrlOnFileThread(const std::string& url,
                                         gfx::NativeWindow caller_window);
 #endif
   void OnGetPluginFinderUrl(std::string* plugin_finder_url);
   void OnMissingPluginStatus(int status,
                              int render_process_id,
                              int render_view_id,
                              gfx::NativeWindow window);
 
   // static
   static void HandleMissingPluginStatus(int status,
                                         int render_process_id,
                                         int render_view_id,
                                         gfx::NativeWindow window);
 
   PluginProcessHost* process_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromePluginMessageFilter);
 };
 
 #endif  // CHROME_BROWSER_CHROME_PLUGIN_MESSAGE_FILTER_H_