https://bugs.webkit.org/show_bug.cgi?id=96313

Patch by Kevin Ellis <kevers@chromium.org> on 2012-09-11
Reviewed by Antonio Gomes.

Source/WebCore:

Fix to ensure that a long-press on a shadow-DOM element does not
trigger a crash in TouchAdjustment::providesContextMenuItems.
Prior to the patch, a null-pointer exception was trigger because
of a null renderer in the check.

Test: touchadjustment/context-menu-shadow-node.html

* page/TouchAdjustment.cpp:
(WebCore::TouchAdjustment::providesContextMenuItems):

LayoutTests:

Add test to ensure that a long-press on a shadow DOM element does
not trigger a crash when determining if an element provides a context
menu.

* touchadjustment/context-menu-shadow-node-expected.txt: Added.
* touchadjustment/context-menu-shadow-node.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@128222 268f45cc-cd09-0410-ab3c-d52691b4dbfc