Add OVERRIDE to chrome/browser/.

chrome/browser/net/predictor.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // A Predictor object is instantiated once in the browser process, and manages
 // both preresolution of hostnames, as well as TCP/IP preconnection to expected
 // subresources.
 // Most hostname lists are provided by the renderer processes, and include URLs
 // that *might* be used in the near future by the browsing user.  One goal of
 // this class is to cause the underlying DNS structure to lookup a hostname
@@ skipping 487 matching lines @@
 };
 
 // This version of the predictor is used for testing.
 class SimplePredictor : public Predictor {
  public:
   explicit SimplePredictor(bool preconnect_enabled)
       : Predictor(preconnect_enabled) {}
   virtual ~SimplePredictor() {}
   virtual void InitNetworkPredictor(PrefService* user_prefs,
                                     PrefService* local_state,
-                                    IOThread* io_thread);
-  virtual void ShutdownOnUIThread(PrefService* user_prefs);
+                                    IOThread* io_thread) OVERRIDE;
+  virtual void ShutdownOnUIThread(PrefService* user_prefs) OVERRIDE;
 };
 
 }  // namespace chrome_browser_net
 
 #endif  // CHROME_BROWSER_NET_PREDICTOR_H_