[Webkit-unassigned] [Bug 167473] New: Uncaught Exception: Can't make a ContentView for an unknown representedObject of type: IndexedDatabase

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=167473

            Bug ID: 167473
           Summary: Uncaught Exception: Can't make a ContentView for an
                    unknown representedObject of type: IndexedDatabase
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
               URL: http://3rdpartytestwebkit.org/WebKit/trackerProtection
                    /checkTrackersForDomain.html
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: wilander at apple.com
                CC: inspector-bugzilla-changes at group.apple.com

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Inspected URL:        Local page
Loading completed:    true
Frontend User Agent:  Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/604.1.5+ (KHTML, like Gecko)

Uncaught Exceptions:
 - Can't make a ContentView for an unknown representedObject of type: IndexedDatabase (at ContentView.js:152:24)
    createFromRepresentedObject @ ContentView.js:152:24
    contentViewForRepresentedObject @ ContentView.js:173:82
    showContentViewForRepresentedObject @ ContentBrowser.js:134:63
    showDefaultContentViewForTreeElement @ NavigationSidebarPanel.js:223:82
    _checkElementsForPendingViewStateCookie @ NavigationSidebarPanel.js:781:79
    _treeElementAddedOrChanged @ NavigationSidebarPanel.js:638:57
    dispatch @ Object.js:170:30
    dispatchEventToListeners @ Object.js:177:17
    appendChild @ TreeOutline.js:177:54
    _addIndexedDatabase @ StorageSidebarPanel.js:261:47
    _indexedDatabaseWasAdded @ StorageSidebarPanel.js:246:33
    dispatch @ Object.js:170:30
    dispatchEventToListeners @ Object.js:177:17
    processDatabase @ StorageManager.js:275:42
    processDatabase @ [native code]
    _dispatchResponseToCallback @ Connection.js:146:27
    _dispatchResponse @ Connection.js:116:45
    dispatch @ Connection.js:69:35
    dispatch @ InspectorBackend.js:151:49
    dispatchNextQueuedMessageFromBackend @ MessageDispatcher.js:42:34

Additional Details:
    cause --> An uncaught exception was thrown while dispatching response callback for command IndexedDB.requestDatabase.
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* STEPS TO REPRODUCE
1. The data records for the domain had been cleared, including IndexedDB.
2. The IndexedDB instance still showed in Web Inspector | Storage. I clicked it and got the crash.

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