[Webkit-unassigned] [Bug 119322] New: javascript: urls should always be parsed synchronously

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=119322

           Summary: javascript: urls should always be parsed synchronously
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: BlinkMergeCandidate
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: eric at webkit.org, ap at webkit.org, koivisto at iki.fi,
                    benjamin at webkit.org, akling at apple.com


Consider merging https://chromium.googlesource.com/chromium/blink/+/cfbec542d3a70df79e9238f15740f7f37ef5eda3

Removing the minimumLayoutDelay() threshold as part of:
https://codereview.chromium.org/20140002/

revealed that we weren't always parsing javascript: urls
synchronously.  This change is a preventative fix to allow
me to move forward with this change.

In order to trigger this in current webkit, we'd need to parse
a javascript: url which included a script which took more than .5
seconds to execute and then had a second script tag.
We'd (incorrectly) yield between the two script tags while parsing
the html result of the javascript: url.

I also renamed the isLayoutTimer active method on Document to
better reflect what it's actually used for.

I also added a FIXME to WebViewImpl.

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