Implement an infrastructure of Blink-in-JS

Source/bindings/v8/V8EventListener.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Google Inc. 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
@@ skipping 51 matching lines @@
         // handleEvent property and that the value is a function.
         if (!property.IsEmpty() && property->IsFunction())
             return v8::Local<v8::Function>::Cast(property);
     }
 
     return v8::Local<v8::Function>();
 }
 
 v8::Local<v8::Value> V8EventListener::callListenerFunction(v8::Handle<v8::Value> jsEvent, Event* event)
 {
-
     v8::Local<v8::Function> handlerFunction = getListenerFunction(scriptState()->executionContext());
     v8::Local<v8::Object> receiver = getReceiverObject(event);
     if (handlerFunction.IsEmpty() || receiver.IsEmpty())
         return v8::Local<v8::Value>();
 
     if (!scriptState()->executionContext()->isDocument())
         return v8::Local<v8::Value>();
 
     LocalFrame* frame = toDocument(scriptState()->executionContext())->frame();
     if (!frame)
         return v8::Local<v8::Value>();
 
     if (!frame->script().canExecuteScripts(AboutToExecuteScript))
         return v8::Local<v8::Value>();
 
     v8::Handle<v8::Value> parameters[1] = { jsEvent };
     return frame->script().callFunction(handlerFunction, receiver, WTF_ARRAY_LENGTH(parameters), parameters);
 }
 
 } // namespace WebCore