Send IndexedDB observations through IDBDatabaseCallbacks.

third_party/WebKit/Source/modules/indexeddb/WebIDBObserverImpl.cpp

-// Copyright 2016 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 "modules/indexeddb/WebIDBObserverImpl.h"
-
-#include "wtf/PtrUtil.h"
-
-namespace blink {
-
-// static
-std::unique_ptr<WebIDBObserverImpl> WebIDBObserverImpl::create(
-    IDBObserver* observer,
-    bool transaction,
-    bool values,
-    bool noRecords,
-    std::bitset<WebIDBOperationTypeCount> operationTypes) {
-  return wrapUnique(new WebIDBObserverImpl(observer, transaction, values,
-                                           noRecords, operationTypes));
-}
-
-WebIDBObserverImpl::WebIDBObserverImpl(
-    IDBObserver* observer,
-    bool transaction,
-    bool values,
-    bool noRecords,
-    std::bitset<WebIDBOperationTypeCount> operationTypes)
-    : m_id(kInvalidObserverId),
-      m_transaction(transaction),
-      m_values(values),
-      m_noRecords(noRecords),
-      m_operationTypes(operationTypes),
-      m_observer(observer) {}
-
-// Remove observe call id from IDBObserver.
-WebIDBObserverImpl::~WebIDBObserverImpl() {
-  if (m_id != kInvalidObserverId)
-    m_observer->removeObserver(m_id);
-}
-
-void WebIDBObserverImpl::setId(int32_t id) {
-  DCHECK_EQ(kInvalidObserverId, m_id);
-  m_id = id;
-}
-
-void WebIDBObserverImpl::onChange(
-    const WebVector<WebIDBObservation>& observations,
-    const WebVector<int32_t>& observationIndex) {
-  m_observer->onChange(m_id, observations, std::move(observationIndex));
-}
-
-}  // namespace blink