Update from https://crrev.com/316786

base/i18n/time_formatting.h

Index: base/i18n/time_formatting.h
diff --git a/base/i18n/time_formatting.h b/base/i18n/time_formatting.h
index 226d1a91a229760ac021b922b7d173eda098e9bb..2053c0b47da12e9aba851281c7fe465313e4064d 100644
--- a/base/i18n/time_formatting.h
+++ b/base/i18n/time_formatting.h
@@ -48,6 +48,11 @@ BASE_I18N_EXPORT string16 TimeFormatShortDateNumeric(const Time& time);
 // Returns a numeric date and time such as "12/13/52 2:44:30 PM".
 BASE_I18N_EXPORT string16 TimeFormatShortDateAndTime(const Time& time);
 
+// Returns a numeric date and time with time zone such as
+// "12/13/52 2:44:30 PM PST".
+BASE_I18N_EXPORT string16
+TimeFormatShortDateAndTimeWithTimeZone(const Time& time);
+
 // Formats a time in a friendly sentence format, e.g.
 // "Monday, March 6, 2008 2:44:30 PM".
 BASE_I18N_EXPORT string16 TimeFormatFriendlyDateAndTime(const Time& time);