Plumb direction of document title through IPC layer.

content/browser/tab_contents/tab_contents.cc

Index: content/browser/tab_contents/tab_contents.cc
diff --git a/content/browser/tab_contents/tab_contents.cc b/content/browser/tab_contents/tab_contents.cc
index b3ecf53b2e9e5e7d6b7d370da49701d3627ebaa5..8bcc8e43422b8bb908dcfd6b3265ed9935583574 100644
--- a/content/browser/tab_contents/tab_contents.cc
+++ b/content/browser/tab_contents/tab_contents.cc
@@ -1991,7 +1991,9 @@ void TabContents::UpdateState(RenderViewHost* rvh,
 }
 
 void TabContents::UpdateTitle(RenderViewHost* rvh,
-                              int32 page_id, const std::wstring& title) {
+                              int32 page_id,
+                              const string16& title,
+                              WebKit::WebTextDirection title_direction) {
   // If we have a title, that's a pretty good indication that we've started
   // getting useful data.
   SetNotWaitingForResponse();
@@ -1999,7 +2001,9 @@ void TabContents::UpdateTitle(RenderViewHost* rvh,
   DCHECK(rvh == render_view_host());
   NavigationEntry* entry = controller_.GetEntryWithPageID(rvh->site_instance(),
                                                           page_id);
-  if (!entry || !UpdateTitleForEntry(entry, title))
+  // TODO(evan): use directionality of title.
+  // http://code.google.com/p/chromium/issues/detail?id=27094
+  if (!entry || !UpdateTitleForEntry(entry, UTF16ToWide(title)))
     return;
 
   // Broadcast notifications when the UI should be updated.