Fix Typo (options.shards, not options.shard)
Fix Typo (options.shards, not options.shard)

R=maruel@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/19272016

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@211821 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build