Backed out changeset e7215fed014f (bug 1025864) for frequent OSX debug crashes.

browser/devtools/shared/frame-script-utils.js

@@ -4,8 +4,6 @@
 
 "use strict";
 
-let { utils: Cu, interfaces: Ci } = Components;
-
 addMessageListener("devtools:test:history", function ({ data }) {
   content.history[data.direction]();
 });
@@ -18,11 +16,3 @@ addMessageListener("devtools:test:reload", function ({ data }) {
   data = data || {};
   content.location.reload(data.forceget);
 });
-
-addMessageListener("devtools:test:forceCC", function () {
-  let DOMWindowUtils = content.QueryInterface(Ci.nsIInterfaceRequestor)
-    .getInterface(Ci.nsIDOMWindowUtils)
-  DOMWindowUtils.cycleCollect();
-  DOMWindowUtils.garbageCollect();
-  DOMWindowUtils.garbageCollect();
-});