[Webkit-unassigned] [Bug 183604] New: When the WebContent process is blocked from accessing the WindowServer, the call CVDisplayLinkCreateWithCGDisplay will fail.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=183604

            Bug ID: 183604
           Summary: When the WebContent process is blocked from accessing
                    the WindowServer, the call
                    CVDisplayLinkCreateWithCGDisplay will fail.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: pvollan at apple.com

When WindowServer access is blocked in the WebContent process, the function call CVDisplayLinkCreateWithCGDisplay in https://trac.webkit.org/browser/webkit/trunk/Source/WebCore/platform/graphics/mac/DisplayRefreshMonitorMac.cpp will fail. Should we call this function in the UIProcess, and send a message to the WebContent process for each refresh callback?

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