verify there are no glyph searches

This code is overly paranoid, but should be removed soon.
It is just double checking that we have no glyphs
inserted before we insert them from the Renderer
process.

Change-Id: Iaadb229ea034d3d127a9ed191d3fdd77c252a2b9
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/317387
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
1 file changed