Send IndexedDB observations through IDBDatabaseCallbacks.

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
deleted file mode 100644
index ad2b62d5c234726de5b47d5519f3fce85234a931..0000000000000000000000000000000000000000
--- a/content/browser/indexed_db/indexed_db_observer_changes.cc
+++ /dev/null
@@ -1,26 +0,0 @@
-// 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