[IndexedDB] Propogating Changes to Observer : Browser

content/browser/indexed_db/indexed_db_observer_changes.cc

+// 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 "content/browser/indexed_db/indexed_db_observer_changes.h"
+
+#include "content/browser/indexed_db/indexed_db_observation.h"
+
+namespace content {
+
+IndexedDBObserverChanges::IndexedDBObserverChanges() {}
+
+IndexedDBObserverChanges::~IndexedDBObserverChanges() {}
+
+void IndexedDBObserverChanges::RecordObserverForLastObservation(
+    int32_t observer_id) {
+  DCHECK(!observations_.empty());
+  observation_indices_map_[observer_id].push_back(observations_.size() - 1);
+}
+
+void IndexedDBObserverChanges::AddObservation(
+    std::unique_ptr<IndexedDBObservation> observation) {
+  observations_.push_back(std::move(observation));
+}
+
+}  // namespace content