webkit: Merge 'database' and 'quota' to 'webkit_storage'

webkit/database/quota_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 "webkit/database/quota_table.h"
-
-#include "base/logging.h"
-#include "base/utf_string_conversions.h"
-#include "sql/statement.h"
-
-namespace webkit_database {
-
-bool QuotaTable::Init() {
-  // 'Quota' schema:
-  //   origin          The origin.
-  //   quota           The quota for this origin.
-  return db_->DoesTableExist("Quota") ||
-      db_->Execute(
-           "CREATE TABLE Quota ("
-           "origin TEXT NOT NULL PRIMARY KEY, "
-           "quota INTEGER NOT NULL)");
-}
-
-int64 QuotaTable::GetOriginQuota(const string16& origin_identifier) {
-  sql::Statement statement(db_->GetCachedStatement(
-      SQL_FROM_HERE, "SELECT quota FROM Quota WHERE origin = ?"));
-  statement.BindString16(0, origin_identifier);
-  if (statement.Step()) {
-    return statement.ColumnInt64(0);
-  }
-
-  return -1;
-}
-
-bool QuotaTable::SetOriginQuota(const string16& origin_identifier,
-                                int64 quota) {
-  DCHECK(quota >= 0);
-
-  // Insert or update the quota for this origin.
-  sql::Statement replace_statement(db_->GetCachedStatement(
-      SQL_FROM_HERE, "REPLACE INTO Quota VALUES (?, ?)"));
-  replace_statement.BindString16(0, origin_identifier);
-  replace_statement.BindInt64(1, quota);
-  return replace_statement.Run();
-}
-
-bool QuotaTable::ClearOriginQuota(const string16& origin_identifier) {
-  sql::Statement statement(db_->GetCachedStatement(
-      SQL_FROM_HERE, "DELETE FROM Quota WHERE origin = ?"));
-  statement.BindString16(0, origin_identifier);
-
-  return (statement.Run() && db_->GetLastChangeCount());
-}
-
-}  // namespace webkit_database