Clean up legacy protect.js & remove from .jshintignore

- Declare all variables w/single var statement.
- Un-quote property names.
- Braces / whitespace / quoting / strict equality checks.

Change-Id: Iaabd3bbaeb10a661adf53dc9ad39813b14661f77
Merge "Clean up legacy protect.js & remove from .jshintignore"