https://bugs.webkit.org/show_bug.cgi?id=94727

Reviewed by Adam Barth.

Source/WebCore:

Tested by WebViewTest::DetectContentAroundPosition.

* dom/Node.cpp:
(WebCore::Node::willRespondToTouchEvents): checks if a node listens to touch events. Very similar to willRespondToMouseClickEvents.
(WebCore):
* dom/Node.h:
(Node):

Source/WebKit/chromium:

Triggers content detection in the embedder on tap gestures and
add checks for the appropriate event listeners in order to prevent
triggering content detection when it would disrupt the page's behaviour.

* src/WebViewImpl.cpp:
(WebKit::WebViewImpl::handleGestureEvent):
(WebKit::WebViewImpl::detectContentOnTouch):
* tests/WebViewTest.cpp:
* tests/data/content_listeners.html: Added.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@126945 268f45cc-cd09-0410-ab3c-d52691b4dbfc