[Qt] Add eventSender.gestureTap

[Qt] Add eventSender.gestureTap
https://bugs.webkit.org/show_bug.cgi?id=66173

Patch by Allan Sandfeld Jensen <allan.jensen@nokia.com> on 2012-02-22
Reviewed by Kenneth Rohde Christiansen.

Tools:

* DumpRenderTree/qt/EventSenderQt.cpp:
(EventSender::gestureTap):
* DumpRenderTree/qt/EventSenderQt.h:

LayoutTests:

Unskip gestureTap test.

* platform/qt/Skipped:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@108577 268f45cc-cd09-0410-ab3c-d52691b4dbfc