This change enforces a lot more consistency. We pass const char * to
the Compile functions instead of std::string. Also fixes the
indentation of C++11 block comments to be more consistent.

Bug: angleproject:2995
Change-Id: Id6e5ea94055d8cbd420df4ea2e81b2d96cb5ce78
Reviewed-on: https://chromium-review.googlesource.com/c/1357103Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>