Added last_modified field to TemplateURL and database. Updated unit tests, including refactoring ...

chrome/browser/search_engines/template_url.h

 // Copyright (c) 2011 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_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 407 matching lines @@
   }
   std::vector<string16> languages() const { return languages_; }
 
   // Date this keyword was created.
   //
   // NOTE: this may be 0, which indicates the keyword was created before we
   // started tracking creation time.
   void set_date_created(base::Time time) { date_created_ = time; }
   base::Time date_created() const { return date_created_; }
 
+  // The last time this keyword was modified by a user, since creation.
+  //
+  // NOTE: Like date_created above, this may be 0.
+  void set_last_modified(base::Time time) { last_modified_ = time; }
+  base::Time last_modified() const { return last_modified_; }
+
   // True if this TemplateURL was automatically created by the administrator via
   // group policy.
   void set_created_by_policy(bool created_by_policy) {
      created_by_policy_ = created_by_policy;
   }
   bool created_by_policy() const { return created_by_policy_; }
 
   // Number of times this keyword has been explicitly used to load a URL.  We
   // don't increment this for uses as the "default search engine" since that's
   // not really "explicit" usage and incrementing would result in pinning the
@@ skipping 65 matching lines @@
                                     // is used to avoid multiple attempts if
                                     // generating a keyword failed.
   bool show_in_default_list_;
   bool safe_for_autoreplace_;
   std::vector<ImageRef> image_refs_;
   std::vector<string16> languages_;
   // List of supported input encodings.
   std::vector<std::string> input_encodings_;
   TemplateURLID id_;
   base::Time date_created_;
+  base::Time last_modified_;
   bool created_by_policy_;
   int usage_count_;
   SearchEngineType search_engine_type_;
   int logo_id_;
   int prepopulate_id_;
 
   // TODO(sky): Add date last parsed OSD file.
 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_H_