[Webkit-unassigned] [Bug 152170] New: Entering an open element erroneously fires mouseleave element on the container

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=152170

            Bug ID: 152170
           Summary: Entering an open element erroneously fires mouseleave
                    element on the container
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML Events
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rniwa at webkit.org
                CC: cdumez at apple.com, dbates at webkit.org,
                    dewei_zhu at apple.com

When we enter an option element, we erroneously fire "mouseleave" event at the parent select element as well as its ancestors.

See http://jsfiddle.net/hrb4q6oa/

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