[Webkit-unassigned] [Bug 53602] New: [Chromium] Select popup with padding has white strip on right

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=53602

           Summary: [Chromium] Select popup with padding has white strip
                    on right
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: xiyuan at chromium.org
                CC: tony at chromium.org, dglazkov at chromium.org


Created an attachment (id=80924)
 --> (https://bugs.webkit.org/attachment.cgi?id=80924&action=review)
A test case html

http://trac.webkit.org/changeset/76831 added overhang painting to WebCore::ScrollView::paint (base of PopupListBox). The overhang is derived in ScrollView::calculateOverhangAreasForPainting based on scroll position, contentSize and visibleContentRect.

We excluded padding space from content size in PopupListBox::layout and thus the padding space is drawn as overhang.

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