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

chrome/browser/webdata/keyword_table.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_WEBDATA_KEYWORD_TABLE_H_
 #define CHROME_BROWSER_WEBDATA_KEYWORD_TABLE_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 29 matching lines @@
 //   input_encodings        Semicolon separated list of supported input
 //                          encodings, may be empty.
 //   suggest_url
 //   prepopulate_id         See TemplateURL::prepopulate_id.
 //   autogenerate_keyword
 //   logo_id                See TemplateURL::logo_id
 //   created_by_policy      See TemplateURL::created_by_policy.  This was added
 //                          in version 26.
 //   instant_url            See TemplateURL::instant_url.  This was added
 //                          in version 29.
+//   last_modified          See TemplateURL::last_modified.  This was added in
+//                          version 38.
 //
 class KeywordTable : public WebDatabaseTable {
  public:
   KeywordTable(sql::Connection* db, sql::MetaTable* meta_table)
       : WebDatabaseTable(db, meta_table) {}
   virtual ~KeywordTable();
   virtual bool Init();
   virtual bool IsSyncable();
 
   // Adds a new keyword, updating the id field on success.
@@ skipping 20 matching lines @@
   // Version of the built-in keywords.
   bool SetBuitinKeywordVersion(int version);
   int GetBuitinKeywordVersion();
 
   // Table migration functions.
   bool MigrateToVersion21AutoGenerateKeywordColumn();
   bool MigrateToVersion25AddLogoIDColumn();
   bool MigrateToVersion26AddCreatedByPolicyColumn();
   bool MigrateToVersion28SupportsInstantColumn();
   bool MigrateToVersion29InstantUrlToSupportsInstant();
+  bool MigrateToVersion38AddLastModifiedColumn();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(KeywordTable);
 };
 
 #endif  // CHROME_BROWSER_WEBDATA_KEYWORD_TABLE_H_