[Webkit-unassigned] [Bug 69878] New: [chromium] Increase test coverage of LayoutTestController.loseCompositorContext

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=69878

           Summary: [chromium] Increase test coverage of
                    LayoutTestController.loseCompositorContext
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: kbr at google.com
                CC: kbr at google.com, jamesr at chromium.org, enne at google.com,
                    nduca at chromium.org


Currently LayoutTestController.loseCompositorContext() only sets a flag in CCSingleThreadProxy, rather than having side-effects at lower levels like a true lost context event does. This fact reduces the test coverage of this useful entry point. We should plumb through the forced context loss deeper, specifically to the GraphicsContext3D level, and make it have the same side-effects as a real lost context event, like causing shader compilation and program linkage to fail.

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