[Webkit-unassigned] [Bug 219971] New: FrameView::sendResizeEventIfNeeded() should not be a post-layout task

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=219971

            Bug ID: 219971
           Summary: FrameView::sendResizeEventIfNeeded() should not be a
                    post-layout task
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: simon.fraser at apple.com

* frame #0: 0x00000001ce4d2319 WebCore`WebCore::FrameView::sendResizeEventIfNeeded(this=0x00007f9d628f4000) at FrameView.cpp:3398:24
    frame #1: 0x00000001ce4d1e91 WebCore`WebCore::FrameView::performPostLayoutTasks(this=0x00007f9d628f4000) at FrameView.cpp:3355:5
    frame #2: 0x00000001ce4dc598 WebCore`WebCore::FrameViewLayoutContext::runAsynchronousTasks(this=0x00007f9d628f4138) at FrameViewLayoutContext.cpp:301:12
    frame #3: 0x00000001ce4dce7c WebCore`WebCore::FrameViewLayoutContext::runOrScheduleAsynchronousTasks(this=0x00007f9d628f4138) at FrameViewLayoutContext.cpp:287:5
    frame #4: 0x00000001ce4bcb50 WebCore`WebCore::FrameViewLayoutContext::layout(this=0x00007f9d628f4138) at FrameViewLayoutContext.cpp:260:9
    frame #5: 0x00000001ce4dc4bf WebCore`WebCore::FrameViewLayoutContext::layoutTimerFired(this=0x00007f9d628f4138) at FrameViewLayoutContext.cpp:468:5

The layout zero-delay timer should not trigger "resize" event firing. Resize events should be fired as part of HTML Event Loop.

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