Merge to XFA: Remove Release() combo patch.

Includes:
Original Review URL: https://codereview.chromium.org/1098043002
Original Review URL: https://codereview.chromium.org/1097843003
Original Review URL: https://codereview.chromium.org/1093213002

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1092033004
11 files changed