Reviewed by Sam Weinig.

        Add the ability for Instance objects to override getOwnPropertySlot/put for runtime objects.

        * bridge/qt/qt_instance.cpp:
        (JSC::Bindings::QtInstance::getOwnPropertySlot):
        (JSC::Bindings::QtInstance::put):
        * bridge/qt/qt_instance.h:
        * bridge/runtime.h:
        (JSC::Bindings::Instance::getOwnPropertySlot):
        (JSC::Bindings::Instance::put):
        * bridge/runtime_object.cpp:
        (JSC::RuntimeObjectImp::getOwnPropertySlot):
        (JSC::RuntimeObjectImp::put):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@39949 268f45cc-cd09-0410-ab3c-d52691b4dbfc