Chrome Version       : 62.0.3184.0
URLs (if applicable) :

These crashes appear to be new in 62.0.3183.0:

https://crash.corp.google.com/browse?q=product.name%3D%27Chrome_Mac%27%20AND%20custom_data.chromecrashproto.ptype%20%3D%20%27browser%27%20AND%20custom_data.ChromeCrashProto.magic_signature_1.name%3D%27GURL%3A%3Aoperator%3C(GURL%20const%26)%20const%27%20AND%20product.Version%3D%2762.0.3183.0%27&ignore_case=false&enable_rewrite=true&omit_field_name=&omit_field_value=&omit_field_opt=%3D&stbtiq=&reportid=&index=0

I suspect your change 271861de8384af64fb25dbed262a4eb3bd366ce8 might be related. PTAL. Thanks!

- Your friendly neighborhood desktop stability sheriff.