Bug 1493315: Build config for dedicated profiles and downgrade protection. r=ted

Differential Revision: https://phabricator.services.mozilla.com/D6545

--HG--
extra : moz-landing-system : lando

browser/moz.configure

@@ -7,6 +7,8 @@
 imply_option('MOZ_PLACES', True)
 imply_option('MOZ_SERVICES_HEALTHREPORT', True)
 imply_option('MOZ_SERVICES_SYNC', True)
+imply_option('MOZ_DEDICATED_PROFILES', True)
+imply_option('MOZ_BLOCK_PROFILE_DOWNGRADE', True)
 
 with only_when(target_is_linux & compile_environment):
     option(env='MOZ_NO_PIE_COMPAT',

toolkit/moz.configure

@@ -554,6 +554,14 @@ project_flag('MOZ_ANDROID_HISTORY',
              help='Enable Android History instead of Places',
              set_as_define=True)
 
+project_flag('MOZ_DEDICATED_PROFILES',
+             help='Enable dedicated profiles per install',
+             set_as_define=True)
+
+project_flag('MOZ_BLOCK_PROFILE_DOWNGRADE',
+             help='Block users from starting profiles last used by a newer build',
+             set_as_define=True)
+
 option(env='MOZ_ALLOW_LEGACY_EXTENSIONS',
        default=milestone.is_nightly,
        help='Allow legacy browser extensions')