Fix compile errors from merge of all dartium changes over the past 4 months.

BUG=

Review URL: https://codereview.chromium.org/1667603002 .

git-svn-id: https://src.chromium.org/blink/branches/dart/2454_1@202766 bbb929c8-8fbe-4397-9dbb-9b2b20218538
4 files changed