[Do not commit] Track revocations in content_settings::Observer

components/content_settings/core/common/content_settings_pattern.h

Index: components/content_settings/core/common/content_settings_pattern.h
diff --git a/components/content_settings/core/common/content_settings_pattern.h b/components/content_settings/core/common/content_settings_pattern.h
index f85c648bfc036aa9ac0261d0aa3cb62ed0d5318f..791ab87f192b667ce785f618882a75f74b895467 100644
--- a/components/content_settings/core/common/content_settings_pattern.h
+++ b/components/content_settings/core/common/content_settings_pattern.h
@@ -167,6 +167,10 @@ class ContentSettingsPattern {
   // True if this pattern matches all hosts (i.e. it has a host wildcard).
   bool MatchesAllHosts() const;
 
+  // True if this pattern has no wildcards (and therefore matches exactly one
+  // host).
+  bool HasNoWildcard() const;
+
   // Returns a std::string representation of this pattern.
   std::string ToString() const;