Update permission warning for contentSettings API

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 7d6fc8d00dd04d3e700a806eccc368907dd6f21e..669dd5948e2178a9a2161293befe7976de535807 100644
--- a/components/content_settings/core/common/content_settings_pattern.h
+++ b/components/content_settings/core/common/content_settings_pattern.h
@@ -190,6 +190,11 @@ class ContentSettingsPattern {
   // True if |url| matches this pattern.
   bool Matches(const GURL& url) const;
 
+  // True if the pattern matches multiple extension URLs (i.e. the scheme is
+  // a wildcard and the hostname is either a wildcard or looks like an extension
+  // ID).
+  bool IsExtensionUrlWildcard() const;
+
   // True if this pattern matches all hosts (i.e. it has a host wildcard).
   bool MatchesAllHosts() const;