[Webkit-unassigned] [Bug 216057] New: Web Inspector: Timelines: re-enabling the JavaScript Allocations timeline doesn't show previously captured heap snapshots in the table

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=216057

            Bug ID: 216057
           Summary: Web Inspector: Timelines: re-enabling the JavaScript
                    Allocations timeline doesn't show previously captured
                    heap snapshots in the table
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: drousso at apple.com
                CC: inspector-bugzilla-changes at group.apple.com

# STEPS TO REPRODUCE
1. inspect <https://webkit.org/>
2. go to the Timelines Tab
3. enable the JavaScript Allocations timeline instrument
4. reload the page to capture some heap snapshots (should have at least two)
5. enter Edit mode
6. disable the JavaScript Allocations timeline instrument
7. exit Edit mode
8. enter Edit mode
9. enable the JavaScript Allocations timeline instrument
10. exit Edit mode

# EXPECTED
The JavaScript Allocations timeline instrument should show either the previously captured heap snapshots or no heap snapshots (i.e. they were cleared when the JavaScript Allocations timeline instrument was disabled).

# ACTUAL
The overview graph shows records for each previously captured heap snapshot, but the JavaScript Allocations table has no rows and clicking on any of the heap snapshot records in the overview graph does nothing.

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