replace OVERRIDE and FINAL with override and final in chrome/browser/[a-i]*

chrome/browser/android/tab_android.h

Index: chrome/browser/android/tab_android.h
diff --git a/chrome/browser/android/tab_android.h b/chrome/browser/android/tab_android.h
index 142b211dead633ab59f02e65d21b32ac8ac0ad1f..308fd6f2408607a47a8ad44bb845c84b71048155 100644
--- a/chrome/browser/android/tab_android.h
+++ b/chrome/browser/android/tab_android.h
@@ -107,16 +107,16 @@ class TabAndroid : public CoreTabHelperDelegate,
   virtual void SwapTabContents(content::WebContents* old_contents,
                                content::WebContents* new_contents,
                                bool did_start_load,
-                               bool did_finish_load) OVERRIDE;
+                               bool did_finish_load) override;
 
   // Overridden from SearchTabHelperDelegate:
   virtual void OnWebContentsInstantSupportDisabled(
-      const content::WebContents* web_contents) OVERRIDE;
+      const content::WebContents* web_contents) override;
 
   // NotificationObserver -----------------------------------------------------
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
+                       const content::NotificationDetails& details) override;
 
   // Methods called from Java via JNI -----------------------------------------