Add search_terms_replacement_key field to TemplateURL.

chrome/browser/search_engines/template_url.h

 // Copyright (c) 2012 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 CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_H_
 #define CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 334 matching lines @@
   int prepopulate_id;
 
   // The primary unique identifier for Sync. This set on all TemplateURLs
   // regardless of whether they have been associated with Sync.
   std::string sync_guid;
 
   // A list of URL patterns that can be used, in addition to |url_|, to extract
   // search terms from a URL.
   std::vector<std::string> alternate_urls;
 
+  // A parameter that, if present in the query or ref parameters of a search_url
+  // or instant_url, causes Chrome to replace the URL with the search term.
+  std::string search_terms_replacement_key;
+
  private:
   // Private so we can enforce using the setters and thus enforce that these
   // fields are never empty.
   string16 keyword_;
   std::string url_;
 };
 
 
 // TemplateURL ----------------------------------------------------------------
 
@@ skipping 55 matching lines @@
   base::Time last_modified() const { return data_.last_modified; }
 
   bool created_by_policy() const { return data_.created_by_policy; }
 
   int usage_count() const { return data_.usage_count; }
 
   int prepopulate_id() const { return data_.prepopulate_id; }
 
   const std::string& sync_guid() const { return data_.sync_guid; }
 
+  const std::string& search_terms_replacement_key() const {
+    return data_.search_terms_replacement_key;
+  }
+
   const TemplateURLRef& url_ref() const { return url_ref_; }
   const TemplateURLRef& suggestions_url_ref() const {
     return suggestions_url_ref_;
   }
   const TemplateURLRef& instant_url_ref() const { return instant_url_ref_; }
 
   // Returns true if |url| supports replacement.
   bool SupportsReplacement() const;
 
   // Like SupportsReplacement but usable on threads other than the UI thread.
@@ skipping 54 matching lines @@
   TemplateURLRef url_ref_;
   TemplateURLRef suggestions_url_ref_;
   TemplateURLRef instant_url_ref_;
 
   // TODO(sky): Add date last parsed OSD file.
 
   DISALLOW_COPY_AND_ASSIGN(TemplateURL);
 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_H_