Added new unittest-cov npm task which reports (via CLI) code covera…

…ge using istanbul.

Auditors: @alexwykoff, @bbondy

Fixes #6473

package.json

@@ -32,9 +32,10 @@
     "start": "node ./tools/start.js --user-data-dir=brave-development --debug=5858 --enable-logging --v=0 --enable-extension-activity-logging --enable-sandbox-logging --enable-dcheck",
     "start2": "node ./tools/start.js --user-data-dir=brave-development-2 --debug=5859 --enable-logging --v=0 --enable-extension-activity-logging --enable-sandbox-logging --enable-dcheck",
     "start-brk": "node ./tools/start.js --debug-brk=5858 -enable-logging --v=0 --enable-dcheck",
-    "test": "cross-env NODE_ENV=test mocha --require babel-register --require babel-polyfill --recursive \"test/**/*Test.js\"",
-    "unittest": "cross-env NODE_ENV=test mocha --require babel-register --require babel-polyfill --recursive \"test/unit/**/*Test.js\"",
-    "uitest": "cross-env NODE_ENV=test mocha --require babel-register --require babel-polyfill --recursive \"test/about/**/*Test.js\" \"test/app/**/*Test.js\" \"test/components/**/*Test.js\" \"test/lib/**/*Test.js\"",
+    "test": "cross-env NODE_ENV=test mocha \"test/**/*Test.js\"",
+    "unittest": "cross-env NODE_ENV=test mocha \"test/unit/**/*Test.js\"",
+    "unittest-cov": "node --harmony node_modules/istanbul/lib/cli.js cover ./node_modules/mocha/bin/_mocha --report html --report text -x \"test/unit/**/*Test.js\" -- \"test/unit/**/*Test.js\"",
+    "uitest": "cross-env NODE_ENV=test mocha \"test/about/**/*Test.js\" \"test/app/**/*Test.js\" \"test/components/**/*Test.js\" \"test/lib/**/*Test.js\"",
     "update-pdfjs": "rm -r app/extensions/pdfjs/; cp -r ../pdf.js/build/chromium/ app/extensions/pdfjs/",
     "update-psl": "./tools/updatepsl.sh",
     "vagrant-destroy-linux": "VAGRANT_CWD=./test/vms/vagrant/ubuntu-14.04 vagrant destroy",
@@ -149,6 +150,7 @@
     "git-rev-sync": "^1.8.0",
     "gulp": "^3.9.0",
     "joi": "^10.2.2",
+    "istanbul": "^1.1.0-alpha.1",
     "jsdom": "9.4.1",
     "jsdom-global": "2.0.0",
     "jsdox": "^0.4.9",

test/mocha.opts

@@ -2,3 +2,6 @@
 --timeout 600s
 --reporter spec
 --check-leaks
+--require babel-register
+--require babel-polyfill
+--recursive