Move creation of the various WebDatabaseTable types out of WebDatabase.

chrome/browser/webdata/keyword_table.cc

 // 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.
 
 #include "chrome/browser/webdata/keyword_table.h"
 
 #include <set>
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
@@ skipping 98 matching lines @@
   s->BindString(starting_column + 10, data.suggestions_url);
   s->BindInt(starting_column + 11, data.prepopulate_id);
   s->BindBool(starting_column + 12, data.created_by_policy);
   s->BindString(starting_column + 13, data.instant_url);
   s->BindInt64(starting_column + 14, data.last_modified.ToTimeT());
   s->BindString(starting_column + 15, data.sync_guid);
   s->BindString(starting_column + 16, alternate_urls);
   s->BindString(starting_column + 17, data.search_terms_replacement_key);
 }
 
-}  // anonymous namespace
+WebDatabaseTable::TypeKey GetKey() {
+  return reinterpret_cast<void*>(&KeywordTable::FromWebDatabase);
+}
 
-KeywordTable::KeywordTable(sql::Connection* db, sql::MetaTable* meta_table)
-    : WebDatabaseTable(db, meta_table) {
+}  // namespace
+
+KeywordTable::KeywordTable() {
 }
 
 KeywordTable::~KeywordTable() {}
 
-bool KeywordTable::Init() {
+KeywordTable* KeywordTable::FromWebDatabase(WebDatabase* db) {
+  return static_cast<KeywordTable*>(db->GetTable(GetKey()));
+}
+
+WebDatabaseTable::TypeKey KeywordTable::GetTypeKey() const {
+  return GetKey();
+}
+
+bool KeywordTable::Init(sql::Connection* db, sql::MetaTable* meta_table) {
+  WebDatabaseTable::Init(db, meta_table);
   return db_->DoesTableExist("keywords") ||
       db_->Execute("CREATE TABLE keywords ("
                    "id INTEGER PRIMARY KEY,"
                    "short_name VARCHAR NOT NULL,"
                    "keyword VARCHAR NOT NULL,"
                    "favicon_url VARCHAR NOT NULL,"
                    "url VARCHAR NOT NULL,"
                    "safe_for_autoreplace INTEGER,"
                    "originating_url VARCHAR,"
                    "date_created INTEGER DEFAULT 0,"
@@ skipping 456 matching lines @@
     }
   }
 
   // Replace the old table with the new one.
   sql = "DROP TABLE " + name;
   if (!db_->Execute(sql.c_str()))
     return false;
   sql = "ALTER TABLE keywords_temp RENAME TO " + name;
   return db_->Execute(sql.c_str());
 }