Remove unneeded base/stl_util.h includes in headers.

And a base/message_loop/message_loop.h include as well.
Also fix lint issues.

CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_precise_blink_rel
[email protected],[email protected],[email protected],[email protected]

Review-Url: https://codereview.chromium.org/2231533003
Cr-Commit-Position: refs/heads/master@{#415182}
15 files changed