[Webkit-unassigned] [Bug 109764] New: Make BackgroundHTMLParser work with doc.writes that enter or leave foreign content

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=109764

           Summary: Make BackgroundHTMLParser work with doc.writes that
                    enter or leave foreign content
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: tonyg at chromium.org
                CC: eric at webkit.org, abarth at webkit.org
            Blocks: 106127


Currently BackgroundHTMLParser keeps track of whether we are in foreign content mode. However, if a doc.write causes us to enter or leave foreign content mode, we'll miss it because doc.write is processed on the main thread.

Adam suggests we can fix this by reading the information from the stack of open elements and sending it to the background HTML parser in the Checkpoint sent in resumeFrom().

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