[IndexedDB] Propogating changes to observers : Renderer

content/browser/indexed_db/indexed_db_observer_changes.cc

Index: content/browser/indexed_db/indexed_db_observer_changes.cc
diff --git a/content/browser/indexed_db/indexed_db_observer_changes.cc b/content/browser/indexed_db/indexed_db_observer_changes.cc
new file mode 100644
index 0000000000000000000000000000000000000000..961e33e9f6c49d233701c2c918267544e848445f
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+++ b/content/browser/indexed_db/indexed_db_observer_changes.cc
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+// 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) {
+  observation_index_[observer_id].push_back(observations_.size() - 1);
+}
+
+void IndexedDBObserverChanges::AddObservation(
+    std::unique_ptr<IndexedDBObservation> observation) {
+  observations_.push_back(std::move(observation));
+}
+
+}  // namespace content