Replacing the OVERRIDE with override and in chrome

chrome/common/extensions/manifest_handlers/ui_overrides_handler.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_UI_OVERRIDES_HANDLER_H_
 #define CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_UI_OVERRIDES_HANDLER_H_
 
 #include "chrome/common/extensions/api/manifest_types.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest_handler.h"
@@ skipping 21 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(UIOverrides);
 };
 
 class UIOverridesHandler : public ManifestHandler {
  public:
   UIOverridesHandler();
   virtual ~UIOverridesHandler();
 
-  virtual bool Parse(Extension* extension, base::string16* error) OVERRIDE;
+  virtual bool Parse(Extension* extension, base::string16* error) override;
   virtual bool Validate(const Extension* extension,
                         std::string* error,
-                        std::vector<InstallWarning>* warnings) const OVERRIDE;
+                        std::vector<InstallWarning>* warnings) const override;
 
-  virtual ManifestPermission* CreatePermission() OVERRIDE;
+  virtual ManifestPermission* CreatePermission() override;
   virtual ManifestPermission* CreateInitialRequiredPermission(
-      const Extension* extension) OVERRIDE;
+      const Extension* extension) override;
 
  private:
   class ManifestPermissionImpl;
 
-  virtual const std::vector<std::string> Keys() const OVERRIDE;
+  virtual const std::vector<std::string> Keys() const override;
 
   DISALLOW_COPY_AND_ASSIGN(UIOverridesHandler);
 };
 
 }  // namespace extensions
 #endif  // CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_UI_OVERRIDES_HANDLER_H_