https://bugs.webkit.org/show_bug.cgi?id=96790

Patch by Dan Carney <dcarney@google.com> on 2012-09-14
Reviewed by Adam Barth.

Added a few sanity checks to ensure callbacks are always using the correct world.

No new tests. No new change in functionality.

* bindings/v8/V8DOMWrapper.cpp:
(WebCore::V8DOMWrapper::getEventListener):
* bindings/v8/V8LazyEventListener.cpp:
(WebCore::V8LazyEventListener::prepareListenerObject):
* bindings/v8/WorldContextHandle.cpp:
(WebCore::WorldContextHandle::WorldContextHandle):
(WebCore::WorldContextHandle::adjustedContext):
* bindings/v8/WorldContextHandle.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@128651 268f45cc-cd09-0410-ab3c-d52691b4dbfc