TemplateURL Performance - don't call replace search terms

components/search_engines/template_url.h

Index: components/search_engines/template_url.h
diff --git a/components/search_engines/template_url.h b/components/search_engines/template_url.h
index dd11b39a5026dc4792acd0065c2a8a633d9cb84e..d8bdbf3a3ce20c9be68c6c4e82530c93dd821303 100644
--- a/components/search_engines/template_url.h
+++ b/components/search_engines/template_url.h
@@ -452,9 +452,10 @@ class TemplateURLRef {
   // into the string, and may be empty.
   mutable Replacements replacements_;
 
-  // Host, path, key and location of the search term. These are only set if the
-  // url contains one search term.
+  // Host, port, path, key and location of the search term. These are only set
+  // if the url contains one search term.
   mutable std::string host_;
+  mutable std::string port_;
   mutable std::string path_;
   mutable std::string search_term_key_;
   mutable size_t search_term_position_in_path_;