[Webkit-unassigned] [Bug 69666] New: When resizing a window to a smaller size, ScrollView adds and removes scrollbars even when none appear

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=69666

           Summary: When resizing a window to a smaller size, ScrollView
                    adds and removes scrollbars even when none appear
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: simon.fraser at apple.com
                CC: andersca at apple.com


While debugging some scrollbar invalidation, I noticed an odd behavior. On a page which never shows scrollbars (because it has no minimum width), as I shrink the window we're creating, then destroying scrollbars on every resize. A printf in ScrollView::setHasHorizontalScrollbar() revealed this.

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