[Qt][WK2] Build failure when using --no-touch-events

[Qt][WK2] Build failure when using --no-touch-events
https://bugs.webkit.org/show_bug.cgi?id=81241

Patch by Dinu Jacob <dinu.jacob@nokia.com> on 2012-03-16
Reviewed by Simon Hausmann.

Fixed inconsistency in the use of ENABLE_TOUCH_EVENTS flag that caused build
failure when using --no-touch-events option

* UIProcess/qt/QtPageClient.h:
(QtPageClient):
* UIProcess/qt/QtWebPageEventHandler.cpp:
(QtWebPageEventHandler::handlePotentialSingleTapEvent):
* UIProcess/qt/QtWebPageEventHandler.h:
(QtWebPageEventHandler):
* WebProcess/WebPage/WebPage.cpp:
(WebKit::WebPage::WebPage):
* WebProcess/WebPage/WebPage.h:
(WebPage):
* WebProcess/WebPage/WebPage.messages.in:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@111010 268f45cc-cd09-0410-ab3c-d52691b4dbfc