Finish taking out render_messages.h include from other headers.

chrome/browser/history/history.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.
 
 // The history system runs on a background thread so that potentially slow
 // database operations don't delay the browser. This backend processing is
 // represented by HistoryBackend. The HistoryService's job is to dispatch to
 // that thread.
 //
 // Main thread                       History thread
@@ skipping 25 matching lines @@
 #include "chrome/browser/history/download_types.h"
 #include "chrome/browser/history/history_backend.h"
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/history/in_memory_database.h"
 #include "chrome/browser/history/in_memory_history_backend.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/visitedlink_master.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/l10n_util.h"
 #include "chrome/common/notification_service.h"
+#include "chrome/common/thumbnail_score.h"
 
 #include "chromium_strings.h"
 #include "generated_resources.h"
 
 using base::Time;
 using history::HistoryBackend;
 
 // Sends messages from the backend to us on the main thread. This must be a
 // separate class from the history service so that it can hold a reference to
 // the history service (otherwise we would have to manually AddRef and
@@ skipping 596 matching lines @@
   NotificationService::current()->Notify(type, source, det);
 }
 
 void HistoryService::OnDBLoaded() {
   LOG(INFO) << "History backend finished loading";
   backend_loaded_ = true;
   NotificationService::current()->Notify(NotificationType::HISTORY_LOADED,
                                          Source<Profile>(profile_),
                                          Details<HistoryService>(this));
 }