To avoid recursion cost we now more aggressively inline. The many added
branches for this shortcut to work can easily hurt performance as well. Let's
try to remove and see what performance looks like nowadays.

Change-Id: I93e2d57ebebd6adde836f54ac629cc67dd82f143
Reviewed-on: https://chromium-review.googlesource.com/1194062
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55466}