[Webkit-unassigned] [Bug 151790] New: Uncaught Exception in Web Inspector: TypeError: null is not an object (evaluating 'dataGridNode.element.classList')

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=151790

            Bug ID: 151790
           Summary: Uncaught Exception in Web Inspector: TypeError: null
                    is not an object (evaluating
                    'dataGridNode.element.classList')
    Classification: Unclassified
           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: joepeck at webkit.org
                CC: bburg at apple.com, graouts at webkit.org,
                    joepeck at webkit.org, mattbaker at apple.com,
                    nvasilyev at apple.com, timothy at apple.com,
                    webkit-bug-importer at group.apple.com

* SUMMARY
Uncaught Exception in Web Inspector

TypeError: null is not an object (evaluating 'dataGridNode.element.classList') (at file:///Users/pecoraro/Build/Release/WebInspectorUI.framework/Resources/Views/TreeOutlineDataGridSynchronizer.js:282:29)

* STEPS TO REPRODUCE
1. Inspect about:blank
2. js> var i = 0; setInterval(function() { console.log("log", ++i); }, 1000)
3. Start a timeline
4. Select the JavaScript & Events timeline
5. Wait about 20 seconds (for the timeline to start scrolling and stuff)
  => Exception

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