[Webkit-unassigned] [Bug 84194] New: REGRESSION(r112155) children style not always recalculated in CSS animations

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=84194

           Summary: REGRESSION(r112155) children style not always
                    recalculated in CSS animations
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: loic.yhuel_ext at softathome.com


Created an attachment (id=137607)
 --> (https://bugs.webkit.org/attachment.cgi?id=137607&action=review)
blinking text animation

The attached blink animation no longer works since https://bugs.webkit.org/show_bug.cgi?id=79389 has landed.

There are paints, but the text is always black.

In Element::recalcStyle, when the text color should be changed to white :
 - styleChangeType() is SyntheticStyleChange, the animated style (color: white) is set on the Element in setRenderStyle(newStyle)
 - currentStyle and newStyle are the same (color: black), so ch is NoChange
 - After r112155, change is no more set to Force, so Text::recalcTextStyle is called with NoChange as argument, the style of the text is not changed, so the text color remains black.

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