[Webkit-unassigned] [Bug 138976] New: Web Inspector: timeline probe records have inaccurate per-probe hit counts

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=138976

            Bug ID: 138976
           Summary: Web Inspector: timeline probe records have inaccurate
                    per-probe hit counts
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: burg at cs.washington.edu
                CC: graouts at webkit.org, joepeck at webkit.org,
                    madonnk at gmail.com, timothy at apple.com,
                    webkit-bug-importer at group.apple.com
            Blocks: 132073

Given a timeline record for breakpointActionProbe, we need to be able to find the relevant probe sample so that the user can click on a timeline row and jump to the specific probe sample associated with that timeline row.

The current implementation uses a per-JSContext m_hitCount variable, which is similar to the global sampleId but not guaranteed to be the same. These should be combined into the same thing and renamed in the protocol.

This design might be revisited once the probe UI becomes replay-aware, but it's fine for now.

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