Import DEPS.chromium into Dartium DEPS by copying
Import DEPS.chromium into Dartium DEPS by copying

The new DEPS file validator does not support the python code
we use to import this file from the same directory.

BUG=https://bugs.chromium.org/p/chromium/issues/detail?id=727587
R=johnniwinther@google.com

Review-Url: https://codereview.chromium.org/2912913002 .

dart-lang/sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk