[webkit-reviews] review requested: [Bug 33150] Do not render the full frame when there is some elements with fixed positioning : [Attachment 50355] Repaint only the invalidated area after scrolling

[bugzilla-daemon at webkit.org]

Benjamin Poulain <benjamin.poulain at nokia.com> has asked  for review:
Bug 33150: Do not render the full frame when there is some elements with fixed
positioning
https://bugs.webkit.org/show_bug.cgi?id=33150

Attachment 50355: Repaint only the invalidated area after scrolling
https://bugs.webkit.org/attachment.cgi?id=50355&action=review

------- Additional Comments from Benjamin Poulain <benjamin.poulain at nokia.com>
The same patch updated to use the new functions added by Adam Treat to
HostWindow.

I will be happy to fix it if any new problem is discovered :)