TypeError: undefined is not a function

hi
cloned the app
npm install
npm start
window appears, empty, only blue bar at top (empty)
and console says
TypeError: undefined is not a function
at setupMenubars (file:///home/martin/Downloads/chrome-devtools-app/app/app.js:136:19)

at new \u003Canonymous\u003E (file:///home/martin/Downloads/chrome-devtools-app/app/app.js:55:5)\n at Object.invoke (file:///home/martin/Downloads/chrome-devtools-app/app/lib/bower_components/angular/angular.js:4182:17)\n at extend.instance (file:///home/martin/Downloads/chrome-devtools-app/app/lib/bower_components/angular/angular.js:8441:21)\n at file:///home/martin/Downloads/chrome-devtools-app/app/lib/bower_components/angular/angular.js:7693:13\n at forEach (file:///home/martin/Downloads/chrome-devtools-app/app/lib/bower_components/angular/angular.js:331:20)\n at nodeLinkFn (file:///home/martin/Downloads/chrome-devtools-app/app/lib/bower_components/angular/angular.js:7692:11)\n at compositeLinkFn (file:///home/martin/Downloads/chrome-devtools-app/app/lib/bower_components/angular/angular.js:7075:13)\n at publicLinkFn (file:///home/martin/Downloads/chrome-devtools-app/app/lib/bower_components/angular/angular.js:6954:30)\n at file:///home/martin/Downloads/chrome-devtools-app/app/lib/bower_components/angular/angular.js:1451:27"", source: file:///home/martin/Downloads/chrome-devtools-app/app/lib/bower_components/angular/angular.js (11594)

running on ubuntu 14.04
thanks!

Reproduce with npm install and npm start, then inspect setupMenubars at app/app.js:136 and its call from app/app.js:55. Confirm the undefined function and determine why the window stops at the blue bar; done means the app renders normally without that TypeError.

Written by the indexing model from the issue text.