Split user agent code out of the 'glue' target

webkit/support/webkit_support_glue.cc

 // 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.
 
 #include "webkit/glue/webkit_glue.h"
 
 #include "base/base_paths.h"
 #include "base/path_service.h"
-#include "webkit/glue/user_agent.h"
 
 // Functions needed by webkit_glue.
 
 namespace webkit_glue {
 
 void AppendToLog(const char*, int, const char*) {
 }
 
 bool GetPluginFinderURL(std::string* plugin_finder_url) {
   return false;
 }
 
 #if defined(OS_WIN)
 bool DownloadUrl(const std::string& url, HWND caller_window) {
   return false;
 }
 #endif
 
 void EnableSpdy(bool enable) {
 }
 
 void UserMetricsRecordAction(const std::string& action) {
 }
 
 }  // namespace webkit_glue