spec: Use multiparty instead of formidable

The latter is buggy and affects our specs.

spec/api-crash-reporter-spec.coffee

@@ -3,7 +3,7 @@ path       = require 'path'
 http       = require 'http'
 url        = require 'url'
 remote     = require 'remote'
-formidable = require 'formidable'
+multiparty = require 'multiparty'
 
 crashReporter = remote.require 'crash-reporter'
 BrowserWindow = remote.require 'browser-window'
@@ -26,10 +26,8 @@ describe 'crash-reporter module', ->
     @timeout 120000
     server = http.createServer (req, res) ->
       server.close()
-      form = new formidable.IncomingForm()
-      process.throwDeprecation = false
+      form = new multiparty.Form()
       form.parse req, (error, fields, files) ->
-        process.throwDeprecation = true
         assert.equal fields['prod'], 'Electron'
         assert.equal fields['ver'], process.versions['electron']
         assert.equal fields['process_type'], 'renderer'
@@ -39,7 +37,6 @@ describe 'crash-reporter module', ->
         assert.equal fields['_productName'], 'Zombies'
         assert.equal fields['_companyName'], 'Umbrella Corporation'
         assert.equal fields['_version'], require('remote').require('app').getVersion()
-        assert files['upload_file_minidump']['name']?
 
         res.end('abc-123-def')
         done()

spec/package.json

@@ -5,7 +5,7 @@
   "version": "0.1.0",
   "devDependencies": {
     "basic-auth": "^1.0.0",
-    "formidable": "1.0.16",
+    "multiparty": "4.1.2",
     "graceful-fs": "3.0.5",
     "mocha": "2.1.0",
     "q": "0.9.7",

spec/static/main.js

@@ -9,6 +9,7 @@ process.port = 0;  // will be used by crash-reporter spec.
 
 app.commandLine.appendSwitch('js-flags', '--expose_gc');
 app.commandLine.appendSwitch('ignore-certificate-errors');
+app.commandLine.appendSwitch('disable-renderer-backgrounding');
 
 // Accessing stdout in the main process will result in the process.stdout
 // throwing UnknownSystemError in renderer process sometimes. This line makes