Add OVERRIDE to chrome/browser/.

chrome/browser/google/google_url_tracker.h

Index: chrome/browser/google/google_url_tracker.h
diff --git a/chrome/browser/google/google_url_tracker.h b/chrome/browser/google/google_url_tracker.h
index 8cf99b538b26e427835db38f95b48fb4775cce1c..c3d5d5e86f68fbac283be07df4f3896263e6f136 100644
--- a/chrome/browser/google/google_url_tracker.h
+++ b/chrome/browser/google/google_url_tracker.h
@@ -106,15 +106,15 @@ class GoogleURLTracker : public content::URLFetcherDelegate,
   void StartFetchIfDesirable();
 
   // content::URLFetcherDelegate
-  virtual void OnURLFetchComplete(const content::URLFetcher* source);
+  virtual void OnURLFetchComplete(const content::URLFetcher* source) OVERRIDE;
 
   // content::NotificationObserver
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details);
+                       const content::NotificationDetails& details) OVERRIDE;
 
   // NetworkChangeNotifier::IPAddressObserver
-  virtual void OnIPAddressChanged();
+  virtual void OnIPAddressChanged() OVERRIDE;
 
   void SearchCommitted();
   void OnNavigationPending(const content::NotificationSource& source,