Move creation of the various WebDatabaseTable types out of WebDatabase.

chrome/browser/webdata/logins_table.cc

Index: chrome/browser/webdata/logins_table.cc
diff --git a/chrome/browser/webdata/logins_table.cc b/chrome/browser/webdata/logins_table.cc
index 35a1be2a2b2fed2869539ed72fb03a4dffb89a08..e97bfdccc39560dd079c773f381343af28134b64 100644
--- a/chrome/browser/webdata/logins_table.cc
+++ b/chrome/browser/webdata/logins_table.cc
@@ -7,9 +7,30 @@
 #include <limits>
 
 #include "base/logging.h"
+#include "chrome/browser/webdata/web_database.h"
 #include "sql/statement.h"
 
-bool LoginsTable::Init() {
+namespace {
+
+int table_key = 0;
+
+WebDatabaseTable::TypeKey GetKey() {
+  return reinterpret_cast<void*>(&table_key);
+}
+
+}  // namespace
+
+LoginsTable* LoginsTable::FromWebDatabase(WebDatabase* db) {
+  return static_cast<LoginsTable*>(db->GetTable(GetKey()));
+}
+
+WebDatabaseTable::TypeKey LoginsTable::GetTypeKey() const {
+  return GetKey();
+}
+
+bool LoginsTable::Init(sql::Connection* db, sql::MetaTable* meta_table) {
+  WebDatabaseTable::Init(db, meta_table);
+
   if (db_->DoesTableExist("logins")) {
     // We don't check for success. It doesn't matter that much.
     // If we fail we'll just try again later anyway.