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mitz@apple.com authored
- 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: http://svn.webkit.org/repository/webkit/trunk@28104 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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