Fix a bug in ShouldDisplayURL.

content/browser/tab_contents/tab_contents.h

Index: content/browser/tab_contents/tab_contents.h
diff --git a/content/browser/tab_contents/tab_contents.h b/content/browser/tab_contents/tab_contents.h
index 8d4848b4671473d17dbfd924f6496309c13a8452..1f3cf4cd1fce3d0e9c712fa0f4d791dfc9ce9cbc 100644
--- a/content/browser/tab_contents/tab_contents.h
+++ b/content/browser/tab_contents/tab_contents.h
@@ -127,6 +127,9 @@ class CONTENT_EXPORT TabContents : public PageNavigator,
     return render_manager_.web_ui();
   }
 
+  // Returns the committed WebUI if one exists, otherwise the pending one.
+  // Callers who want to use the pending WebUI for the pending navigation entry
+  // should use GetWebUIForCurrentState instead.
   WebUI* web_ui() const {
     return render_manager_.web_ui() ? render_manager_.web_ui()
         : render_manager_.pending_web_ui();