Reviewed by Maciej Stachowiak.
- fix <rdar://problem/
5596160> fast/events/objc-event-api.html fails when run alone (or first)
* WebView/WebHTMLView.mm:
(-[WebHTMLView setDataSource:]): This method calls addMouseMovedObserver
because addMouseMovedObserver returns early if the dataSource
is not nil. But if the dataSource is already set (which happens when
a WebHTMLView is being reused) then addMouseMovedObserver must not
be called again.
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@28104
268f45cc-cd09-0410-ab3c-
d52691b4dbfc