Move i18n break iterator C++ code to runtime

src/extensions/i18n/i18n-extension.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 19 matching lines @@
 #define V8_EXTENSIONS_I18N_I18N_EXTENSION_H_
 
 #include "v8.h"
 
 namespace v8_i18n {
 
 class Extension : public v8::Extension {
  public:
   Extension();
 
-  virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
-      v8::Handle<v8::String> name);
-
   static void Register();
 
  private:
   static Extension* extension_;
 };
 
 }  // namespace v8_i18n
 
 #endif  // V8_EXTENSIONS_I18N_I18N_EXTENSION_H_