[field type tracking] Use breadth first traversal instead of recursion when updating field types (Chromium issue 599440).

Performance and stability improvements on all platforms.

Cr-Commit-Position: refs/heads/5.2.22@{#1}
Cr-Branched-From: 1383d001ffe1d13fa71192da156b530dd0be779f-refs/heads/master@{#35445}