Add OVERRIDE to chrome/browser/extensions/.

chrome/browser/extensions/external_extension_provider_impl.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_EXTENSIONS_EXTERNAL_EXTENSION_PROVIDER_IMPL_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTERNAL_EXTENSION_PROVIDER_IMPL_H_
 #pragma once
 
 #include <string>
 
@@ skipping 44 matching lines @@
   void SetPrefs(base::DictionaryValue* prefs);
 
   // ExternalExtensionProvider implementation:
   virtual void ServiceShutdown() OVERRIDE;
   virtual void VisitRegisteredExtension() OVERRIDE;
   virtual bool HasExtension(const std::string& id) const OVERRIDE;
   virtual bool GetExtensionDetails(const std::string& id,
                                    Extension::Location* location,
                                    scoped_ptr<Version>* version) const OVERRIDE;
 
-  virtual bool IsReady() const;
+  virtual bool IsReady() const OVERRIDE;
 
   static const char kLocation[];
   static const char kState[];
   static const char kExternalCrx[];
   static const char kExternalVersion[];
   static const char kExternalUpdateUrl[];
   static const char kSupportedLocales[];
 
  private:
   // Location for external extensions that are provided by this provider from
@@ skipping 20 matching lines @@
   scoped_refptr<ExternalExtensionLoader> loader_;
 
   // Creation flags to use for the extension.  These flags will be used
   // when calling Extenion::Create() by the crx installer.
   int creation_flags_;
 
   DISALLOW_COPY_AND_ASSIGN(ExternalExtensionProviderImpl);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTERNAL_EXTENSION_PROVIDER_IMPL_H_