Move creation of the various WebDatabaseTable types out of WebDatabase.

chrome/browser/webdata/web_database_table.cc

 // 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.
 
 #include "chrome/browser/webdata/web_database_table.h"
 
-WebDatabaseTable::WebDatabaseTable(
-    sql::Connection* db, sql::MetaTable* meta_table)
-        : db_(db), meta_table_(meta_table) {
+WebDatabaseTable::WebDatabaseTable() : db_(NULL), meta_table_(NULL) {
 }
 
 WebDatabaseTable::~WebDatabaseTable() {
-  db_ = NULL;
-  meta_table_ = NULL;
 }
+
+bool WebDatabaseTable::Init(sql::Connection* db, sql::MetaTable* meta_table) {
+  db_ = db;
+  meta_table_ = meta_table;
+  return true;
+}