[webkit-reviews] review requested: [Bug 71490] Support uiStateTransitionProgress for scrollbars : [Attachment 113940] Patch that moves work to Scrollbar from EventHandler

[bugzilla-daemon at webkit.org]

Beth Dakin <bdakin at apple.com> has asked  for review:
Bug 71490: Support uiStateTransitionProgress for scrollbars
https://bugs.webkit.org/show_bug.cgi?id=71490

Attachment 113940: Patch that moves work to Scrollbar from EventHandler
https://bugs.webkit.org/attachment.cgi?id=113940&action=review

------- Additional Comments from Beth Dakin <bdakin at apple.com>
Here's a patch that addresses Sam's comment and also fixes a bug with the patch
that I noticed while doing that. It is necessary to hit test before we send the
mouseExited() notification during a mouseUp event, so this patch has
Scrollbar::mouseUp() take a PlatformMouseEvent so that it can do just that.