Merge to XFA: testing utility combo patch

This pulls in the following CLs from master:
Review URL: https://codereview.chromium.org/1072613003
Review URL: https://codereview.chromium.org/1058463004
Review URL: https://codereview.chromium.org/1057983003
Review URL: https://codereview.chromium.org/1036073002
Review URL: https://codereview.chromium.org/1031203003
Review URL: https://codereview.chromium.org/1029193002
Review URL: https://codereview.chromium.org/1016613004
Review URL: https://codereview.chromium.org/1026903002

TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1062163003
12 files changed