Revert of Remove the top-level GYP files (or stub them out). (patchset #2 id:20001 of https://codereview.chromium.org/2299543008/ )
Reason for revert:
broke the closure_compilation builders.
Original issue's description:
> Remove the top-level GYP files (or stub them out).
>
> GYP is now thoroughly broken, and it's safe to remove the top-level
> files, except where gyp_chromium is still needed for the hooks run
> by gclient (to pick up and process GYP_DEFINES).
>
> R=brettw@chromium.org
> BUG=
>
> Committed: https://crrev.com/6ca365af92a486150c8f01b1aca2557a6fa504f1
> Cr-Commit-Position: refs/heads/master@{#416782}
TBR=brettw@chromium.org,dbeam@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=
Review-Url: https://codereview.chromium.org/2313393002
Cr-Commit-Position: refs/heads/master@{#416962}
8 files changed
