InstantExtended: Remove overlay control code.

chrome/browser/google/google_url_tracker_navigation_helper_impl.h

Index: chrome/browser/google/google_url_tracker_navigation_helper_impl.h
diff --git a/chrome/browser/google/google_url_tracker_navigation_helper_impl.h b/chrome/browser/google/google_url_tracker_navigation_helper_impl.h
index a710b5e90e3a5772e3409a297f9ce4b690044360..b23672874f03f3a1cf88f6d5b4ea3bad8a38dc1c 100644
--- a/chrome/browser/google/google_url_tracker_navigation_helper_impl.h
+++ b/chrome/browser/google/google_url_tracker_navigation_helper_impl.h
@@ -40,12 +40,6 @@ class GoogleURLTrackerNavigationHelperImpl
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
-  // Handles instant commit notifications by simulating the relevant navigation
-  // callbacks.
-  void OnInstantCommitted(content::NavigationController* nav_controller,
-                          InfoBarService* infobar_service,
-                          const GURL& search_url);
-
   // Returns a WebContents NavigationSource for the WebContents corresponding to
   // the given NavigationController NotificationSource.
   virtual content::NotificationSource GetWebContentsSource(