As advised by pfeldman, appropriateSelectorForNode() should become DOMNode.prototype.appropriateSelectorFor. This is the root cause of http://code.google.com/p/chromium/issues/detail?id=77531
Created attachment 87869 [details] [PATCH] Suggested fix
Committing to http://svn.webkit.org/repository/webkit/trunk ... M Source/WebCore/ChangeLog M Source/WebCore/inspector/front-end/DOMAgent.js M Source/WebCore/inspector/front-end/EventListenersSidebarPane.js M Source/WebCore/inspector/front-end/StylesSidebarPane.js M Source/WebCore/inspector/front-end/utilities.js Committed r82818
Comment on attachment 87869 [details] [PATCH] Suggested fix View in context: https://bugs.webkit.org/attachment.cgi?id=87869&action=review > Source/WebCore/inspector/front-end/DOMAgent.js:228 > + var lowerCaseName = this.localName() || node.nodeName().toLowerCase(); Alexander, Yury, this code is not right: "node" is not defined in this context. Could you please cover this with a test?