[Webkit-unassigned] [Bug 267321] New: WebPaymentCoordinatorProxy should not send IPC to WebProcess when the connection is null

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=267321

            Bug ID: 267321
           Summary: WebPaymentCoordinatorProxy should not send IPC to
                    WebProcess when the connection is null
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: a_protyasha at apple.com
                CC: a_protyasha at apple.com,
                    webkit-bug-importer at group.apple.com

It is possible for WebPaymentCoordinatorProxy to send IPC messages to the WP when the connection is null. This can happen when a WP terminates while a payment sheet is showing, and since the proxy will be alive, it will end up sending a DidCancelPaymentSession message in its destructor.

Unfortunately, this causes the UI process to terminate, which is a bad user experience for, say, Safari users. We should make sure WebPaymentCoordinatorProxy is smart enough to not send this IPC message if the WP is not alive.

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