| Index: third_party/WebKit/Source/modules/indexeddb/WebIDBDatabaseCallbacksImpl.cpp | 
| diff --git a/third_party/WebKit/Source/modules/indexeddb/WebIDBDatabaseCallbacksImpl.cpp b/third_party/WebKit/Source/modules/indexeddb/WebIDBDatabaseCallbacksImpl.cpp | 
| index a79fff198ca1d49a2efc3f94151ac5c1e33d1a61..89906727995d7932dd7fa48bfd7a1198690c155d 100644 | 
| --- a/third_party/WebKit/Source/modules/indexeddb/WebIDBDatabaseCallbacksImpl.cpp | 
| +++ b/third_party/WebKit/Source/modules/indexeddb/WebIDBDatabaseCallbacksImpl.cpp | 
| @@ -70,6 +70,14 @@ void WebIDBDatabaseCallbacksImpl::onComplete(long long transactionId) { | 
| m_callbacks->onComplete(transactionId); | 
| } | 
|  | 
| +void WebIDBDatabaseCallbacksImpl::onChanges( | 
| +    const std::unordered_map<int32_t, std::vector<int32_t>>& | 
| +        observation_index_map, | 
| +    const WebVector<WebIDBObservation>& observations) { | 
| +  if (m_callbacks) | 
| +    m_callbacks->onChanges(observation_index_map, observations); | 
| +} | 
| + | 
| void WebIDBDatabaseCallbacksImpl::detach() { | 
| m_callbacks.clear(); | 
| } | 
|  |