Get rid of resource_messages.h include from chrome, since that's an internal detail of content.

chrome/browser/prerender/prerender_tracker.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 "chrome/browser/prerender/prerender_tracker.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/resource_dispatcher_host.h"
 #include "content/browser/resource_context.h"
-#include "content/common/resource_messages.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/load_flags.h"
 
 using content::BrowserThread;
 
 namespace prerender {
 
 namespace {
 
 void CancelDeferredRequestOnIOThread(
@@ skipping 325 matching lines @@
   GetDefault()->AddPrerenderOnIOThread(child_route_id_pair);
 }
 
 // static
 void PrerenderTracker::RemovePrerenderOnIOThreadTask(
     const ChildRouteIdPair& child_route_id_pair) {
   GetDefault()->RemovePrerenderOnIOThread(child_route_id_pair);
 }
 
 }  // namespace prerender