TemplateURL Performance - don't call replace search terms

components/search_engines/template_url.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_H_
 #define COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 434 matching lines @@
   // replacements_ giving the index of the terms to replace.
   mutable std::string parsed_url_;
 
   // Do we support search term replacement?
   mutable bool supports_replacements_;
 
   // The replaceable parts of url (parsed_url_). These are ordered by index
   // 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_;
   mutable url::Parsed::ComponentType search_term_key_location_;
 
   mutable PostParams post_params_;
 
   // Whether the contained URL is a pre-populated URL.
   bool prepopulated_;
 
@@ skipping 267 matching lines @@
   TemplateURLRef new_tab_url_ref_;
   TemplateURLRef contextual_search_url_ref_;
   scoped_ptr<AssociatedExtensionInfo> extension_info_;
 
   // TODO(sky): Add date last parsed OSD file.
 
   DISALLOW_COPY_AND_ASSIGN(TemplateURL);
 };
 
 #endif  // COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_H_