Add OVERRIDE to base/.

base/file_version_info_mac.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 BASE_FILE_VERSION_INFO_MAC_H_
 #define BASE_FILE_VERSION_INFO_MAC_H_
 #pragma once
 
 #include <string>
 
 #include "base/file_version_info.h"
 #include "base/memory/scoped_nsobject.h"
 
 #ifdef __OBJC__
 @class NSBundle;
 #else
 class NSBundle;
 #endif
 
 class FileVersionInfoMac : public FileVersionInfo {
  public:
   explicit FileVersionInfoMac(NSBundle *bundle);
   virtual ~FileVersionInfoMac();
 
   // Accessors to the different version properties.
   // Returns an empty string if the property is not found.
-  virtual string16 company_name();
-  virtual string16 company_short_name();
-  virtual string16 product_name();
-  virtual string16 product_short_name();
-  virtual string16 internal_name();
-  virtual string16 product_version();
-  virtual string16 private_build();
-  virtual string16 special_build();
-  virtual string16 comments();
-  virtual string16 original_filename();
-  virtual string16 file_description();
-  virtual string16 file_version();
-  virtual string16 legal_copyright();
-  virtual string16 legal_trademarks();
-  virtual string16 last_change();
-  virtual bool is_official_build();
+  virtual string16 company_name() OVERRIDE;
+  virtual string16 company_short_name() OVERRIDE;
+  virtual string16 product_name() OVERRIDE;
+  virtual string16 product_short_name() OVERRIDE;
+  virtual string16 internal_name() OVERRIDE;
+  virtual string16 product_version() OVERRIDE;
+  virtual string16 private_build() OVERRIDE;
+  virtual string16 special_build() OVERRIDE;
+  virtual string16 comments() OVERRIDE;
+  virtual string16 original_filename() OVERRIDE;
+  virtual string16 file_description() OVERRIDE;
+  virtual string16 file_version() OVERRIDE;
+  virtual string16 legal_copyright() OVERRIDE;
+  virtual string16 legal_trademarks() OVERRIDE;
+  virtual string16 last_change() OVERRIDE;
+  virtual bool is_official_build() OVERRIDE;
 
  private:
   // Returns a string16 value for a property name.
   // Returns the empty string if the property does not exist.
   string16 GetString16Value(CFStringRef name);
 
   scoped_nsobject<NSBundle> bundle_;
 
   DISALLOW_COPY_AND_ASSIGN(FileVersionInfoMac);
 };
 
 #endif  // BASE_FILE_VERSION_INFO_MAC_H_