[Webkit-unassigned] [Bug 82163] Scrollable plugins not registered properly in ScrollingCoordinator

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=82163


James Robinson <jamesr at chromium.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[chromium] PDF plugin not   |Scrollable plugins not
                   |preventing thread-side      |registered properly in
                   |scrolling                   |ScrollingCoordinator
                 CC|                            |andersca at apple.com,
                   |                            |tonikitoo at webkit.org




--- Comment #1 from James Robinson <jamesr at chromium.org>  2012-03-26 10:13:14 PST ---
Plugins are PluginViewBases, which are Widgets and thus scroll, but they aren't WebCore::ScrollableAreas so the computeNonFastScrollableRegion() test in ScrollingCoordinator ignores them.

The fix is to check for scrollable plugins when iterating over Widgets.

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