tree d7117bdc107c55f024a8046388d9df4ae9d2d294
parent 05a7dfa104c8eb7e2c4f0485ecc187ad6e93bb0d
author Elliott Hughes <enh@google.com> 1617913609 -0700
committer Elliott Hughes <enh@google.com> 1617998780 -0700

Remove the weird range variants of String8::toLower() and String8::toUpper().

I want to remove these bad ASCII-only APIs completely, but it might be
easier to remove the range variants first.

Test: treehugger
Change-Id: I4c11f959a7bd8e670708cc03281ea72e9c461ff7