Bug 901682.  Rev the IID for nsXMLHttpRequest.  r=gavin, a=bajaj, ba=bajaj
Bug 899857 - Make xpcshell default to a plugins directory only if -p is not specified. r=ted, a=test-only
Bug 851606 - Revert third-party-cookie default setting to "allow everything" and fix tests and prefs UI to reflect the change. r=dolske, a=bajaj