Bug 1374735 - use DevToolsShim to open browser console from extensions;r=bgrins,kmag

MozReview-Commit-ID: GJQ7fcw1L8i

toolkit/components/extensions/ext-c-toolkit.js

@@ -2,6 +2,11 @@
 
 Cu.import("resource://gre/modules/ExtensionCommon.jsm");
 
+XPCOMUtils.defineLazyModuleGetter(this, "Services",
+                                 "resource://gre/modules/Services.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "DevToolsShim",
+                                 "chrome://devtools-shim/content/DevToolsShim.jsm");
+
 // These are defined on "global" which is used for the same scopes as the other
 // ext-c-*.js files.
 /* exported EventManager */
@@ -16,11 +21,7 @@ global.initializeBackgroundPage = (contentWindow) => {
   let alertDisplayedWarning = false;
   let alertOverwrite = text => {
     if (!alertDisplayedWarning) {
-      require("devtools/client/framework/devtools-browser");
-
-      let {HUDService} = require("devtools/client/webconsole/hudservice");
-      HUDService.openBrowserConsoleOrFocus();
-
+      DevToolsShim.openBrowserConsole();
       contentWindow.console.warn("alert() is not supported in background windows; please use console.log instead.");
 
       alertDisplayedWarning = true;