http://trac.webkit.org/changeset/159551
https://bugs.webkit.org/show_bug.cgi?id=124669

made many tests asserts (Requested by anttik on #webkit).

* html/HTMLDetailsElement.h:
* html/HTMLMediaElement.cpp:
(HTMLMediaElement::selectNextSourceChild):
* html/HTMLMetaElement.h:
* html/HTMLObjectElement.cpp:
(WebCore::HTMLObjectElement::shouldAllowQuickTimeClassIdQuirk):
* html/HTMLOptionElement.cpp:
(WebCore::HTMLOptionElement::isDisabledFormControl):
* html/HTMLPlugInImageElement.cpp:
(WebCore::HTMLPlugInImageElement::updateWidgetCallback):
* html/HTMLSummaryElement.cpp:
(WebCore::HTMLSummaryElement::detailsElement):
* html/HTMLSummaryElement.h:
* html/HTMLTableCaptionElement.h:
* html/HTMLTableElement.cpp:
(WebCore::HTMLTableElement::caption):
(WebCore::HTMLTableElement::tHead):
(WebCore::HTMLTableElement::tFoot):
(WebCore::HTMLTableElement::lastBody):
* html/HTMLTableRowElement.cpp:
(WebCore::HTMLTableRowElement::rowIndex):
* html/HTMLTableSectionElement.h:
* html/HTMLTagNames.in:
* html/MediaDocument.cpp:
(WebCore::MediaDocumentParser::createDocumentStructure):
* html/shadow/DetailsMarkerControl.cpp:
(WebCore::DetailsMarkerControl::summaryElement):
* loader/FrameLoader.cpp:
(WebCore::FrameLoader::handleFallbackContent):
* loader/ImageLoader.cpp:
(WebCore::ImageLoader::dispatchPendingBeforeLoadEvent):
* page/DragController.cpp:
(WebCore::DragController::canProcessDrag):
* page/Frame.cpp:
(WebCore::Frame::searchForLabelsBeforeElement):
* page/SpatialNavigation.cpp:
(WebCore::frameOwnerElement):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@159570 268f45cc-cd09-0410-ab3c-d52691b4dbfc