Revert "Cache TTypes." Lots of compile errors. BUG=492725 This reverts commit 5377720aae042c5bfae0e8a37032c90dc3ab78cf. Change-Id: I64889b99b1f1f48d39b87ebb668f6a32a3abac45 Reviewed-on: https://chromium-review.googlesource.com/283945 Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org>