Plumb direction of document title through IPC layer.

content/browser/tab_contents/interstitial_page.cc

Index: content/browser/tab_contents/interstitial_page.cc
diff --git a/content/browser/tab_contents/interstitial_page.cc b/content/browser/tab_contents/interstitial_page.cc
index da0b9685b5110e67384907a9892f5a43eab902e1..ec074ff643aadbae86887a71b919eb704b8e989f 100644
--- a/content/browser/tab_contents/interstitial_page.cc
+++ b/content/browser/tab_contents/interstitial_page.cc
@@ -385,7 +385,8 @@ void InterstitialPage::DidNavigate(
 
 void InterstitialPage::UpdateTitle(RenderViewHost* render_view_host,
                                    int32 page_id,
-                                   const std::wstring& title) {
+                                   const string16& title,
+                                   WebKit::WebTextDirection title_direction) {
   DCHECK(render_view_host == render_view_host_);
   NavigationEntry* entry = tab_->controller().GetActiveEntry();
   if (!entry) {
@@ -407,7 +408,9 @@ void InterstitialPage::UpdateTitle(RenderViewHost* render_view_host,
     original_tab_title_ = UTF16ToWideHack(entry->title());
     should_revert_tab_title_ = true;
   }
-  entry->set_title(WideToUTF16Hack(title));
+  // TODO(evan): use directionality of title.
+  // http://code.google.com/p/chromium/issues/detail?id=27094
+  entry->set_title(title);
   tab_->NotifyNavigationStateChanged(TabContents::INVALIDATE_TITLE);
 }