Bug 173339

Summary: Uncaught Exception: TypeError: null is not an object (evaluating 'this.treeOutline._visible')
Product: WebKit Reporter: Joseph Pecoraro <joepeck>
Component: Web InspectorAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: inspector-bugzilla-changes, joepeck
Priority: P2    
Version: WebKit Nightly Build   
Hardware: All   
OS: All   

Description Joseph Pecoraro 2017-06-13 16:31:52 PDT
Steps to reproduce:
1. Loaded a test page with a video element
2. Inspected the video

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Uncaught Exceptions:
 - TypeError: null is not an object (evaluating 'this.treeOutline._visible') (at DOMTreeElement.js:413:64)
    _updateChildren @ DOMTreeElement.js:413:64
    _updateChildren @ [native code]
    getChildNodes @ DOMNode.js:465:25
    updateChildren @ DOMTreeElement.js:385:45
    _updateModifiedNodes @ DOMTreeUpdater.js:124:45
    performWork @ Utilities.js:1381:47
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