Move creation of the various WebDatabaseTable types out of WebDatabase.

chrome/browser/webdata/token_service_table.cc

Index: chrome/browser/webdata/token_service_table.cc
diff --git a/chrome/browser/webdata/token_service_table.cc b/chrome/browser/webdata/token_service_table.cc
index df8f1f1cd1b0ef5373a90a098d5a26bbbd39fc45..ee8410f82a72e6a9cead5a869fa69cb86befeabc 100644
--- a/chrome/browser/webdata/token_service_table.cc
+++ b/chrome/browser/webdata/token_service_table.cc
@@ -9,9 +9,30 @@
 
 #include "base/logging.h"
 #include "chrome/browser/password_manager/encryptor.h"
+#include "chrome/browser/webdata/web_database.h"
 #include "sql/statement.h"
 
-bool TokenServiceTable::Init() {
+namespace {
+
+int table_key = 0;
+
+WebDatabaseTable::TypeKey GetKey() {
+  return reinterpret_cast<void*>(&table_key);
+}
+
+}  // namespace
+
+TokenServiceTable* TokenServiceTable::FromWebDatabase(WebDatabase* db) {
+  return static_cast<TokenServiceTable*>(db->GetTable(GetKey()));
+
+}
+
+WebDatabaseTable::TypeKey TokenServiceTable::GetTypeKey() const {
+  return GetKey();
+}
+
+bool TokenServiceTable::Init(sql::Connection* db, sql::MetaTable* meta_table) {
+  WebDatabaseTable::Init(db, meta_table);
   if (!db_->DoesTableExist("token_service")) {
     if (!db_->Execute("CREATE TABLE token_service ("
                       "service VARCHAR PRIMARY KEY NOT NULL,"