RequestPolicy is a Firefox extension that gives you control over cross-site requests. --- Be sure to look at the dev-1.0 branch as that's where all of the interesting work is happening. See also: https://www.requestpolicy.com/1.0.html
The request log in RequestPolicy 1.0.0b3 no longer highlights blocked request with a different background color, instead logging hundreds of these errors:
Timestamp: 6/28/2013 8:40:19 AM
Error: TypeError: props is undefined
Source File: chrome://requestpolicy/content/requestLogTreeView.js
Line: 194
The request log in RequestPolicy 1.0.0b3 no longer highlights blocked request with a different background color, instead logging hundreds of these errors: Timestamp: 6/28/2013 8:40:19 AM Error: TypeError: props is undefined Source File: chrome://requestpolicy/content/requestLogTreeView.js Line: 194
I haven't looked at the code, but the likely cause is Firefox removing the properties parameters from all the get*Properties methods of nsITreeView: https://developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsITreeView https://bugzilla.mozilla.org/show_bug.cgi?id=407956