GitLab

This change adds a wstring.mojom to chrome_cleaner, renames
string16_embedded_nulls.mojom to wstring_embedded_nulls.mojom
and makes WStringEmbeddedNulls an alias for String16EmbeddedNulls.

Bug: 911896
Change-Id: I9fbf8cb4e0252eb21f66fc89610438da44bd9df8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2316357
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Reviewed-by: Joe Mason <joenotcharles@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#792162}