cc: Clang-format cc/resources/task_graph_runner_unittest.cc code.

Style-change only.

BUG=
TBR=vmpstr
NOTRY=true

Review URL: https://codereview.chromium.org/145933002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246657 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 246657