Use SymbolTableStackBuilder in the inliner.

This lets us consolidate the logic for symbol-table reassembly in
one place.

Change-Id: Ic005774eaab208431661e3a68a2039a5fd6aef2f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/598085
Reviewed-by: Arman Uguray <armansito@google.com>
Commit-Queue: Arman Uguray <armansito@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
3 files changed