Whitespace before edit.

Change-Id: I0c9cc5fae97b39454603b127c0aea0a36adce62f
Whitespace before edit.

Change-Id: Ibac73284b98a762cd9acc7cd89577e3a236a76b3
Remove brackets from walkthrough link.

I'm not sure why these were here, and they just look odd.

Change-Id: I7aec8548210f3b98c4762dbe9fb5bbb6c242f0e4
Merge "Whitespace before edit."
Merge changes I7aec8548,Ibac73284

* changes:
  Remove brackets from walkthrough link.
  Whitespace before edit.