Migrate UrlWildcard to HostWildcard if possible on upgrade.

omega-pac/src/conditions.coffee

@@ -12,6 +12,14 @@ module.exports = exports =
       url: Url.format(url)
       host: url.hostname
       scheme: url.protocol.replace(':', '')
+
+  urlWildcard2HostWildcard: (pattern) ->
+    result = pattern.match ///
+      ^\*:\/\/ # Begins with *://
+      ((?:\w|[?*.])+) # The host part follows.
+      \/\*$ # And ends with /*
+    ///
+    result?[1]
   tag: (condition) -> exports._condCache.tag(condition)
   analyze: (condition) -> exports._condCache.get condition, -> {
     analyzed: exports._handler(condition.conditionType).analyze.call(

omega-target-chromium-extension/src/upgrade.coffee

@@ -136,15 +136,22 @@ module.exports = (oldOptions, i18n) ->
 
     rules = try JSON.parse(oldOptions['rules'])
     if rules
+      conditionFromRule = (rule) ->
+        switch rule['patternType']
+          when 'wildcard'
+            pattern = rule['urlPattern']
+            host = OmegaPac.Conditions.urlWildcard2HostWildcard(pattern)
+            if host
+              conditionType: 'HostWildcardCondition'
+              pattern: host
+            else
+              conditionType: 'UrlWildcardCondition'
+              pattern: pattern
+          else
+            conditionType: 'UrlRegexCondition'
+            pattern: rule['urlPattern']
       auto.rules = for own _, rule of rules
         profileName: nameMap[rule['profileId']] || 'direct'
-        condition:
+        condition: conditionFromRule(rule)
-          conditionType:
-            if rule['patternType'] == 'wildcard'
-              # TODO(catus): Recognize HostWildcardCondition.
-              'UrlWildcardCondition'
-            else
-              'UrlRegexCondition'
-          pattern: rule['urlPattern']
     return options
   return