Patch by Anders Carlsson <andersca@mac.com

    Patch by Anders Carlsson <andersca@mac.com

        Reviewed by darin

        Fixes <http://bugzilla.opendarwin.org/show_bug.cgi?id=4331> dispatchEvent should raise an exception

        Test cases added:
        * layout-tests/dom/html/level2/events/createEvent01-expected.txt:
        * layout-tests/dom/html/level2/events/dispatchEvent01-expected.txt:
        * layout-tests/dom/html/level2/events/dispatchEvent02-expected.txt:
        * layout-tests/dom/html/level2/events/dispatchEvent03-expected.txt:
        * layout-tests/dom/html/level2/events/dispatchEvent04-expected.txt:
        * layout-tests/dom/html/level2/events/dispatchEvent05-expected.txt:
        * layout-tests/dom/html/level2/events/dispatchEvent06-expected.txt:
        * layout-tests/dom/html/level2/events/dispatchEvent07-expected.txt:
        * layout-tests/dom/html/level2/events/dispatchEvent09-expected.txt:
        * layout-tests/dom/html/level2/events/dispatchEvent11-expected.txt:
        * layout-tests/dom/html/level2/events/initEvent01-expected.txt:
        * layout-tests/dom/html/level2/events/initEvent02-expected.txt:
        * layout-tests/dom/html/level2/events/initEvent03-expected.txt:
        These tests pass now.

        * layout-tests/dom/html/level2/events/dispatchEvent08-expected.txt:
        * layout-tests/dom/html/level2/events/dispatchEvent10-expected.txt:
        * layout-tests/dom/html/level2/events/dispatchEvent12-expected.txt:
        * layout-tests/dom/html/level2/events/dispatchEvent13-expected.txt:
        These tests fail somplace else now.

        * khtml/dom/dom2_events.h:
        (DOM::EventException::):
        Add _EXCEPTION_OFFSET and _EXCEPTION_MAX.

        * khtml/ecma/kjs_binding.cpp:
        (KJS::setDOMException):
        Handle EventExceptions.

        * khtml/xml/dom_docimpl.cpp:
        (DocumentImpl::createEvent):
        Allow "Events" as event type.

        * khtml/xml/dom_nodeimpl.cpp:
        (DOM::NodeImpl::dispatchEvent):
        Raise exception if event is NULL, uninitialized, or if its name is the empty string.

        * kwq/DOMInternal.mm:
        (raiseDOMException):
        Handle EventExceptions.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@10109 268f45cc-cd09-0410-ab3c-d52691b4dbfc