Bug 176633 – Uncaught Exception: TypeError: this._heapSnapshot.addEventListener is not a function.

• Component: Web Inspector
• Status: RESOLVED FIXED

[Michael Saboff]

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Inspected URL:        http://mashable.com/2017/09/05/samsung-galaxy-note8-review/#yN9xuoOmBgqy

Uncaught Exceptions:
 - TypeError: this._heapSnapshot.addEventListener is not a function. (In 'this._heapSnapshot.addEventListener(WI.HeapSnapshotProxy.Event.CollectedNodes, this._heapSnapshotCollectedNodes, this)', 'this._heapSnapshot.addEventListener' is undefined) (at HeapSnapshotDataGridTree.js:35:44)
    HeapSnapshotDataGridTree @ HeapSnapshotDataGridTree.js:35:44
    ? @ HeapSnapshotInstancesDataGridTree
    HeapSnapshotContentView @ HeapSnapshotContentView.js:43:81
    HeapSnapshotInstancesContentView @ HeapSnapshotContentView.js:127:14
    instancesContentView @ HeapSnapshotClusterContentView.js:113:81
    _showContentViewForIdentifier @ HeapSnapshotClusterContentView.js:215:37
    restoreFromCookie @ HeapSnapshotClusterContentView.js:161:43
    _restoreFromCookie @ BackForwardEntry.js:110:43
    prepareToShow @ BackForwardEntry.js:80:32
    _showEntry @ ContentViewContainer.js:446:28
    showBackForwardEntryForIndex @ ContentViewContainer.js:162:28
    showContentView @ ContentViewContainer.js:138:42
    showContentViewForRepresentedObject @ ContentViewContainer.js:75:29
    showHeapSnapshotDiff @ HeapAllocationsTimelineView.js:176:71
    ? @ HeapAllocationsTimelineView.js:470:38
    _handleMessage @ HeapSnapshotWorkerProxy.js:136:21
    _handleMessage @ [native code]
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* STEPS TO REPRODUCE
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2. Include explicit, accurate, and minimal steps taken. Do not include extraneous or irrelevant steps.

* NOTES
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[Joseph Pecoraro]

Created attachment 320306 [details]
[PATCH] Proposed Fix

[Michael Saboff]

Comment on attachment 320306 [details]
[PATCH] Proposed Fix

r=me

[WebKit Commit Bot]

Comment on attachment 320306 [details]
[PATCH] Proposed Fix

Clearing flags on attachment: 320306

Committed r221800: <http://trac.webkit.org/changeset/221800>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.

[Radar WebKit Bug Importer]

<rdar://problem/34694521>