Add and use a base::i18n::StringWithDirection for carrying titles.

chrome/browser/prerender/prerender_manager.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_manager.h"
 
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/time.h"
@@ skipping 318 matching lines @@
       NotificationService::NoDetails());
 
   ViewHostMsg_FrameNavigate_Params* p = pc->navigate_params();
   if (p != NULL)
     tc->DidNavigate(rvh, *p);
 
   // TODO(evan): use directionality of title.
   // http://code.google.com/p/chromium/issues/detail?id=27094
   string16 title = pc->title();
   if (!title.empty()) {
-    tc->UpdateTitle(rvh, pc->page_id(), title,
-                    WebKit::WebTextDirectionLeftToRight);
+    tc->UpdateTitle(rvh, pc->page_id(),
+                    base::i18n::StringWithDirection(title,
+                                                    base::i18n::LEFT_TO_RIGHT));
   }
 
   GURL icon_url = pc->icon_url();
   if (!icon_url.is_empty()) {
     std::vector<FaviconURL> urls;
     urls.push_back(FaviconURL(icon_url, FaviconURL::FAVICON));
     tc->favicon_helper().OnUpdateFaviconURL(pc->page_id(), urls);
   }
 
   if (pc->has_stopped_loading())
@@ skipping 230 matching lines @@
 
 bool PrerenderManager::IsTabContentsPrerendered(TabContents* tc) const {
   return prerendered_tc_set_.count(tc) > 0;
 }
 
 bool PrerenderManager::WouldTabContentsBePrerendered(TabContents* tc) const {
   return would_be_prerendered_tc_set_.count(tc) > 0;
 }
 
 }  // namespace prerender