Bug 909526 - Mark GetGlobalJSObject as not able to GC; r=sfink DONTBUILD

js/src/devtools/rootAnalysis/annotations.js

@@ -65,6 +65,7 @@ var ignoreCallees = {
     "JSRuntime.destroyPrincipals" : true,
     "nsISupports.AddRef" : true,
     "nsISupports.Release" : true, // makes me a bit nervous; this is a bug but can happen
+    "nsIGlobalObject.GetGlobalJSObject" : true, // virtual but no implementation can GC
     "nsAXPCNativeCallContext.GetJSContext" : true,
     "js::jit::MDefinition.op" : true, // macro generated virtuals just return a constant
     "js::jit::MDefinition.opName" : true, // macro generated virtuals just return a constant