[Webkit-unassigned] [Bug 165460] New: Visual viewports trigger layout on scrolling, and should not need to

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=165460

            Bug ID: 165460
           Summary: Visual viewports trigger layout on scrolling, and
                    should not need to
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: simon.fraser at apple.com
                CC: simon.fraser at apple.com

When the origin of the visual viewport changes, FrameView::setBaseLayoutViewportOrigin() calls setViewportConstrainedObjectsNeedLayout() but this should not be necessary.

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