Chromium whitespace test of git cl land.

TBR=sergiyb@chromium.org
BUG=682934

Review-Url: https://codereview.chromium.org/2775213002 .
Cr-Commit-Position: refs/heads/master@{#459735}

build/whitespace_file.txt

@@ -165,4 +165,4 @@ No, really, I couldn't eat another bit.
 When I hunger I think of you, and a pastrami sandwich.
 Do make a terrible mistake every once in a while.
 I just made two.
-Mistakes are the best sometimes
+Mistakes are the best sometimes.