Garden-O-Matic: Remove a bunch of unused code from base.js

There's a bunch of utility things in base.js we never use, this removes them. I also
removed the unit test for Function.prototype.bind since it doesn't make sense to unit
test JS builtins.

Review URL: https://chromiumcodereview.appspot.com/18479003

git-svn-id: svn://svn.chromium.org/blink/trunk@153653 bbb929c8-8fbe-4397-9dbb-9b2b20218538