[IndexedDB] Adding transaction and value support to observers

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

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 48 matching lines @@
 }
 
 void IDBDatabaseCallbacks::onComplete(int64_t transactionId) {
   if (m_database)
     m_database->onComplete(transactionId);
 }
 
 void IDBDatabaseCallbacks::onChanges(
     const std::unordered_map<int32_t, std::vector<int32_t>>&
         observation_index_map,
-    const WebVector<WebIDBObservation>& observations) {
-  if (m_database)
-    m_database->onChanges(observation_index_map, observations);
+    const WebVector<WebIDBObservation>& observations,
+    const std::unordered_map<int32_t, std::pair<int64_t, std::vector<int64_t>>>&
+        transactions) {
+  if (!m_database)
+    return;
+
+  m_database->onChanges(observation_index_map, observations, transactions);
 }
 
 void IDBDatabaseCallbacks::connect(IDBDatabase* database) {
   DCHECK(!m_database);
   DCHECK(database);
   m_database = database;
 }
 
 std::unique_ptr<WebIDBDatabaseCallbacks>
 IDBDatabaseCallbacks::createWebCallbacks() {
@@ skipping 10 matching lines @@
     m_webCallbacks = nullptr;
   }
 }
 
 void IDBDatabaseCallbacks::webCallbacksDestroyed() {
   DCHECK(m_webCallbacks);
   m_webCallbacks = nullptr;
 }
 
 }  // namespace blink