[Webkit-unassigned] [Bug 211482] New: Enable the 'OutsideViewport' rAF throttling

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=211482

            Bug ID: 211482
           Summary: Enable the 'OutsideViewport' rAF throttling
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sabouhallawa at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

The OutsideViewport throttling was not implemented in r261113. It has been disabled since r242624 because the RenderingUpdate is currently serving the rAF callbacks with its speed regardless the rAF is throttled or not. The goal of the OutsideViewport throttling to save power by stoping calling the rAF callbacks of any <iframe> which is outside the viewport.

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