down/up sequence https://bugs.webkit.org/show_bug.cgi?id=68368

Patch by Robert Kroeger <rjkroege@chromium.org> on 2011-09-19
Reviewed by Adam Barth.

Source/WebCore:

The addition of doubletap detection to the gesture recognizer missed some of the
outgoing edges in the recognizer state machine. This change simplifies the logic
and handles all outgoing edges.

* platform/chromium/GestureRecognizerChromium.cpp:
(WebCore::GestureRecognizerChromium::GestureRecognizerChromium):
(WebCore::GestureRecognizerChromium::isInSecondClickTimeWindow):
(WebCore::GestureRecognizerChromium::updateValues):
(WebCore::GestureRecognizerChromium::touchDown):
(WebCore::GestureRecognizerChromium::click):
* platform/chromium/GestureRecognizerChromium.h:

Source/WebKit/chromium:

The addition of doubletap detection to the gesture recognizer missed some of the
outgoing edges in the recognizer state machine. Thsi change simplifies the logic
and handles all outgoing edges.

* tests/InnerGestureRecognizerTest.cpp:
Additional tests added to ensure that all edges in the state
machine are accounted for.
(BuildablePlatformTouchEvent::BuildablePlatformTouchEvent):
(SimulateAndTestFirstClick):
(TEST_F):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@95452 268f45cc-cd09-0410-ab3c-d52691b4dbfc