UrlPatternIndex: Introduce ElementType and ActivationType enums to url_pattern_index schema.

components/url_pattern_index/url_pattern_index.h

Index: components/url_pattern_index/url_pattern_index.h
diff --git a/components/url_pattern_index/url_pattern_index.h b/components/url_pattern_index/url_pattern_index.h
index 22e84b127ba91b2eae2d38fad8e2f6cf83016ee3..be80807b81486c428f7470a374cd90cb5ac876cc 100644
--- a/components/url_pattern_index/url_pattern_index.h
+++ b/components/url_pattern_index/url_pattern_index.h
@@ -124,6 +124,13 @@ class UrlPatternIndexMatcher {
                                  bool disable_generic_rules) const;
 
  private:
+  const flat::UrlRule* FindMatch(const GURL& url,
+                                 const url::Origin& first_party_origin,
+                                 flat::ElementType element_type,
+                                 flat::ActivationType activation_type,
+                                 bool is_third_party,
+                                 bool disable_generic_rules) const;
+
   // Must outlive this instance.
   const flat::UrlPatternIndex* flat_index_;