[Webkit-unassigned] [Bug 113461] New: PageVisits incorrect in FeatureObserver

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=113461

           Summary: PageVisits incorrect in FeatureObserver
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: kassycoan at gmail.com
                CC: abarth at webkit.org, ojan at chromium.org,
                    mikelawther at chromium.org


FeatureObserver is calling updateMeasurements() on both navigation and page destruction.
Because of this, we are incrementing PageVisits twice on page destruction, making the PageVisits count incorrect.

Side, related note: All of the features in the enum are being tracked correctly because the bit vector is cleared, so on the second call to updateMeasurements(), the count for those features is not updated.

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