[Webkit-unassigned] [Bug 68453] New: Make repaint testing work in WebKit2

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=68453

           Summary: Make repaint testing work in WebKit2
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: simon.fraser at apple.com
                CC: mitz at webkit.org, andersca at apple.com, sam at webkit.org


layoutTestController.display() does nothing in WebKit2. Making it behave the same way as WK1 is tricky, because the WebProcess would have to retain a bitmap for the entire page, with the alpha wash, and then copy parts over to the UI process.

A better solution is to keep track of the repaint rects in WebCore, and add layout test controller API to retrieve them. We can then use these rects to synthesize the repaint pixel results.

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