Add OVERRIDE to chrome/browser/ui/cocoa/.

chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.h

Index: chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.h
diff --git a/chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.h b/chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.h
index 64648c89eee09bcfbd27f630e0294911b3cd19df..5a67fd27500200f40493a4a7bb5ef5a0f1969fa0 100644
--- a/chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.h
+++ b/chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.h
@@ -27,7 +27,7 @@ class CollectedCookiesMac : public ConstrainedWindowMacDelegateCustomSheet,
   void OnSheetDidEnd(NSWindow* sheet);
 
   // ConstrainedWindowMacDelegateCustomSheet implementation.
-  virtual void DeleteDelegate();
+  virtual void DeleteDelegate() OVERRIDE;
 
  private:
   virtual ~CollectedCookiesMac();
@@ -35,7 +35,7 @@ class CollectedCookiesMac : public ConstrainedWindowMacDelegateCustomSheet,
   // NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details);
+                       const content::NotificationDetails& details) OVERRIDE;
 
   content::NotificationRegistrar registrar_;