This removes the entry point to the compiler API which allows requesting
lazily compiled full-codegen code. The aim is to eventually allow the
decisions of which baseline compiler should be used (e.g. Ignition or
full-codegen) be centralized within the compiler pipeline.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/1764963002

Cr-Commit-Position: refs/heads/master@{#34489}