Make build/include_what_you_use more consistent
Make build/include_what_you_use more consistent

This is a cherry-pick of https://github.com/google/styleguide/pull/158/

BUG=627202
TEST=cpplint_unittest.py

Review-Url: https://codereview.chromium.org/2147593002

primiano/depot_tools,primiano/depot_tools,primiano/depot_tools,CoherentLabs/depot_tools,CoherentLabs/depot_tools