Here the token cannot be Token::INIT since it's coming from the Scanner. Scanner
never returns Token::INIT, and Token::INIT is only used internally in the AST.

Bug: 
Change-Id: I185e6d3330651b7ee784b916908e7d8d803b63b9
Reviewed-on: https://chromium-review.googlesource.com/616282
Commit-Queue: Marja Hölttä <marja@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47390}