[Webkit-unassigned] [Bug 86741] New: Web Inspector: error when expanding an HTMLAllCollection object in the console

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=86741

           Summary: Web Inspector: error when expanding an
                    HTMLAllCollection object in the console
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: yurys at chromium.org
                CC: timothy at apple.com, rik at webkit.org, keishi at webkit.org,
                    pmuellr at yahoo.com, joepeck at webkit.org,
                    pfeldman at chromium.org, yurys at chromium.org,
                    bweinstein at apple.com, apavlov at chromium.org,
                    loislo at chromium.org


Chrome Version       : 20.0.1132.3 and 21.0.1139.0

What steps will reproduce the problem?
1. Goto http://www.google.ru/
2. Open DevTools console
3. Write "document.all" and expand the HTMLAllCollection object result

What is the expected result?
To see the properties of the object.

What happens instead?
JS error with the following stack trace:
Uncaught TypeError: Cannot read property 'length' of null ObjectPropertiesSection.js:565
- callback ObjectPropertiesSection.js:565
- mycallback RemoteObject.js:307
- InspectorBackendClass.dispatch InspectorBackend.js:186

Please provide any additional information below. Attach a screenshot if
possible.

UserAgentString: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.3 Safari/536.11


Original bug report: http://code.google.com/p/chromium/issues/detail?id=128533

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