Bug 1508287 - Ensure exposing console to modules loaded for worker server. r=yulia

Without this devtools/server/tests/unit/test_breakpoint-22.js fails in protocol.js
writeError function when trying to use console object.

MozReview-Commit-ID: JFhFboHugUh

Differential Revision: https://phabricator.services.mozilla.com/D12309

--HG--
extra : moz-landing-system : lando

devtools/shared/worker/loader.js

@@ -564,6 +564,7 @@ this.worker = new WorkerDebuggerLoader({
     "lazyRequireModule": lazyRequireModule,
     "retrieveConsoleEvents": this.retrieveConsoleEvents,
     "setConsoleEventHandler": this.setConsoleEventHandler,
+    "console": console,
   },
   loadSubScript: loadSubScript,
   modules: {