Refactor: Adding comments to explain terms.

Added comments to explain what KURL and GURL stand for.

Mostly just trying to make clear things that I was confused about when first parsing the code

Bug: 896479
Change-Id: Ic6857750884a2954ed32f5d4af3c32ff3356377b
Reviewed-on: https://chromium-review.googlesource.com/c/1300681
Reviewed-by: Philip Jägenstedt <foolip@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Victor Costan <pwnall@chromium.org>
Commit-Queue: Darwin Huang <huangdarwin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#603753}
4 files changed