Script to generate entity/property names from Schema.org schema file

The C++ code generated will be used in Blink's
document_metadata_extractor.

Bug: 1044250
Change-Id: I49db529fa95bf6868eabeb6f0718476fd904898a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2029010
Commit-Queue: Sam Bowen <sgbowen@google.com>
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Becca Hughes <beccahughes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#737473}
9 files changed