Replacing the OVERRIDE with override in chrome/common

chrome/common/extensions/manifest_handlers/minimum_chrome_version_checker.h

 // Copyright 2013 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_COMMON_EXTENSIONS_MANIFEST_HANDLERS_MINIMUM_CHROME_VERSION_CHECKER_H_
 #define CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_MINIMUM_CHROME_VERSION_CHECKER_H_
 
 #include "extensions/common/manifest_handler.h"
 
 namespace extensions {
 
 // Checks that the "minimum_chrome_version" requirement is met.
 class MinimumChromeVersionChecker : public ManifestHandler {
  public:
   MinimumChromeVersionChecker();
   virtual ~MinimumChromeVersionChecker();
 
   // Validate minimum Chrome version. We don't need to store this, since the
   // extension is not valid if it is incorrect.
-  virtual bool Parse(Extension* extension, base::string16* error) OVERRIDE;
+  virtual bool Parse(Extension* extension, base::string16* error) override;
 
  private:
-  virtual const std::vector<std::string> Keys() const OVERRIDE;
+  virtual const std::vector<std::string> Keys() const override;
 
   DISALLOW_COPY_AND_ASSIGN(MinimumChromeVersionChecker);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_MINIMUM_CHROME_VERSION_CHECKER_H_