Add OVERRIDE to chrome/browser/.

chrome/browser/tab_contents/chrome_interstitial_page.h

Index: chrome/browser/tab_contents/chrome_interstitial_page.h
diff --git a/chrome/browser/tab_contents/chrome_interstitial_page.h b/chrome/browser/tab_contents/chrome_interstitial_page.h
index 4fd3e549143b89d9635a6750fb45e4eab7b9c046..8883129208f696e2bfd40259c3b5ea426c45fb32 100644
--- a/chrome/browser/tab_contents/chrome_interstitial_page.h
+++ b/chrome/browser/tab_contents/chrome_interstitial_page.h
@@ -25,13 +25,13 @@ class ChromeInterstitialPage : public InterstitialPage {
   virtual ~ChromeInterstitialPage();
 
   // Shows the interstitial page in the tab.
-  virtual void Show();
+  virtual void Show() OVERRIDE;
 
  protected:
   // content::NotificationObserver method:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details);
+                       const content::NotificationDetails& details) OVERRIDE;
 
   // Invoked when the page sent a command through DOMAutomation.
   virtual void CommandReceived(const std::string& command) {}