replace OVERRIDE and FINAL with override and final in extensions/

extensions/browser/api/power/power_api.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_API_POWER_POWER_API_H_
 #define EXTENSIONS_BROWSER_API_POWER_POWER_API_H_
 
 #include "extensions/browser/extension_function.h"
 
 namespace extensions {
 
 // Implementation of the chrome.power.requestKeepAwake API.
 class PowerRequestKeepAwakeFunction : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("power.requestKeepAwake", POWER_REQUESTKEEPAWAKE)
 
  protected:
   virtual ~PowerRequestKeepAwakeFunction() {}
 
   // ExtensionFunction:
-  virtual bool RunSync() OVERRIDE;
+  virtual bool RunSync() override;
 };
 
 // Implementation of the chrome.power.releaseKeepAwake API.
 class PowerReleaseKeepAwakeFunction : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("power.releaseKeepAwake", POWER_RELEASEKEEPAWAKE)
 
  protected:
   virtual ~PowerReleaseKeepAwakeFunction() {}
 
   // ExtensionFunction:
-  virtual bool RunSync() OVERRIDE;
+  virtual bool RunSync() override;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_POWER_POWER_API_H_