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

content/browser/renderer_host/render_view_host.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 "content/browser/renderer_host/render_view_host.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 990 matching lines @@
 }
 
 void RenderViewHost::OnMsgUpdateTitle(
     int32 page_id,
     const string16& title,
     WebKit::WebTextDirection title_direction) {
   if (title.length() > content::kMaxTitleChars) {
     NOTREACHED() << "Renderer sent too many characters in title.";
     return;
   }
-
-  delegate_->UpdateTitle(this, page_id, title, title_direction);
+  base::i18n::TextDirection dir =
+      title_direction == WebKit::WebTextDirectionLeftToRight ?
+          base::i18n::LEFT_TO_RIGHT :
+          base::i18n::RIGHT_TO_LEFT;
+  delegate_->UpdateTitle(this, page_id,
+                         base::i18n::String16WithDirection(title, dir));
 }
 
 void RenderViewHost::OnMsgUpdateEncoding(const std::string& encoding_name) {
   delegate_->UpdateEncoding(this, encoding_name);
 }
 
 void RenderViewHost::OnMsgUpdateTargetURL(int32 page_id,
                                           const GURL& url) {
   delegate_->UpdateTargetURL(page_id, url);
 
@@ skipping 601 matching lines @@
     LOG(DFATAL) << "Invalid checked state " << checked_state;
     return;
   }
 
   CommandState state;
   state.is_enabled = is_enabled;
   state.checked_state =
       static_cast<RenderViewCommandCheckedState>(checked_state);
   command_states_[static_cast<RenderViewCommand>(command)] = state;
 }