This is another small step towards detaching the JSFunction from Contexts.
In order to not break the debugger protocol we need the inferred name on the
ScopeInfo chain. This CL might increase memory usage slightly, given that the
inferred name field is duplicated on the ScopeInfo.

Bug: v8:7066, chromium:818642
Change-Id: I0dd9f18ae69791f774cf835669afa50491f7433b
Reviewed-on: https://chromium-review.googlesource.com/995792
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52415}