[Webkit-unassigned] [Bug 184739] New: Avoid crash if ITP Debug mode is on, but ResourceLoadStatistics are not being used

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=184739

            Bug ID: 184739
           Summary: Avoid crash if ITP Debug mode is on, but
                    ResourceLoadStatistics are not being used
           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: bfulgham at webkit.org

If a user has the ResourceLoadStatistics logic turned off, but has the ITP Debug experimental flag turned on, you can cause a crash.

This is because the WebsiteDataStore for the process doesn't bother creating a ResourceLoadStatisticsStore if the statistics machinery is not running. The ITP debug flag was being blindly set without checking if the statistics store exists or not, which can cause a crash.

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