[webkit-reviews] review requested: [Bug 33150] Do not render the full frame when there is some elements with fixed positioning : [Attachment 47113] 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 47113: Repaint only the invalidated area after scrolling
https://bugs.webkit.org/attachment.cgi?id=47113&action=review

------- Additional Comments from Benjamin Poulain <benjamin.poulain at nokia.com>
Same patch with size_t for the return type of Vector::size(). I do not have
"-Wno-sign-conversion" on my configuration and did not notice this warning.