Plumb the title direction up to the renderer host

content/browser/tab_contents/tab_contents.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/tab_contents/tab_contents.h"
 
 #include <cmath>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 1476 matching lines @@
   NavigationEntry* entry = controller_.GetEntryAtIndex(entry_index);
 
   if (state == entry->content_state())
     return;  // Nothing to update.
   entry->set_content_state(state);
   controller_.NotifyEntryChanged(entry, entry_index);
 }
 
 void TabContents::UpdateTitle(RenderViewHost* rvh,
                               int32 page_id,
-                              const string16& title) {
+                              const string16& title,
+                              base::i18n::TextDirection title_direction) {
   // If we have a title, that's a pretty good indication that we've started
   // getting useful data.
   SetNotWaitingForResponse();
 
   DCHECK(rvh == render_view_host());
   NavigationEntry* entry = controller_.GetEntryWithPageID(rvh->site_instance(),
                                                           page_id);
 
+  // TODO(evan): make use of title_direction.
+  // http://code.google.com/p/chromium/issues/detail?id=27094
   if (!UpdateTitleForEntry(entry, title))
     return;
 
   // Broadcast notifications when the UI should be updated.
   if (entry == controller_.GetEntryAtOffset(0))
     NotifyNavigationStateChanged(INVALIDATE_TITLE);
 }
 
 void TabContents::UpdateEncoding(RenderViewHost* render_view_host,
                                  const std::string& encoding) {
@@ skipping 378 matching lines @@
 }
 
 void TabContents::SwapInRenderViewHost(RenderViewHost* rvh) {
   render_manager_.SwapInRenderViewHost(rvh);
 }
 
 void TabContents::CreateViewAndSetSizeForRVH(RenderViewHost* rvh) {
   RenderWidgetHostView* rwh_view = view()->CreateViewForWidget(rvh);
   rwh_view->SetSize(view()->GetContainerSize());
 }