Add OVERRIDE to chrome/browser/.

chrome/browser/autocomplete_history_manager.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.
 
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_HISTORY_MANAGER_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_HISTORY_MANAGER_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 12 matching lines @@
 
 // Per-tab Autocomplete history manager. Handles receiving form data from the
 // renderer and the storing and retrieving of form data through WebDataService.
 class AutocompleteHistoryManager : public TabContentsObserver,
                                    public WebDataServiceConsumer {
  public:
   explicit AutocompleteHistoryManager(TabContents* tab_contents);
   virtual ~AutocompleteHistoryManager();
 
   // TabContentsObserver implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message);
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // WebDataServiceConsumer implementation.
-  virtual void OnWebDataServiceRequestDone(WebDataService::Handle h,
-                                           const WDTypedResult* result);
+  virtual void OnWebDataServiceRequestDone(
+      WebDataService::Handle h,
+      const WDTypedResult* result) OVERRIDE;
 
   // Pass-through functions that are called by AutofillManager, after it has
   // dispatched a message.
   void OnGetAutocompleteSuggestions(
       int query_id,
       const string16& name,
       const string16& prefix,
       const std::vector<string16>& autofill_values,
       const std::vector<string16>& autofill_labels,
       const std::vector<string16>& autofill_icons,
@@ skipping 41 matching lines @@
   std::vector<int> autofill_unique_ids_;
 
   // Delegate to perform external processing (display, selection) on
   // our behalf.  Weak.
   AutofillExternalDelegate* external_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteHistoryManager);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_HISTORY_MANAGER_H_