Fix assert seen in DRT due to not calling EventSender.mouseUp in a previous test
Created attachment 131492 [details] Patch
Created attachment 131494 [details] Patch
Comment on attachment 131494 [details] Patch r=me
For archaeologists from the future, the assertion about eventSender.mouseUp() was added in http://trac.webkit.org/changeset/43890 and the test which needs fixing was added just last week in http://trac.webkit.org/changeset/110226.
Committed r110530: <http://trac.webkit.org/changeset/110530>