| Index: third_party/WebKit/Source/modules/indexeddb/WebIDBDatabaseCallbacksImpl.h | 
| diff --git a/third_party/WebKit/Source/modules/indexeddb/WebIDBDatabaseCallbacksImpl.h b/third_party/WebKit/Source/modules/indexeddb/WebIDBDatabaseCallbacksImpl.h | 
| index 98816979daf7e80cb8b62061f3a9277ae2c4d356..d1f764da56d44f33c93a000bc7b56d2e702cb05b 100644 | 
| --- a/third_party/WebKit/Source/modules/indexeddb/WebIDBDatabaseCallbacksImpl.h | 
| +++ b/third_party/WebKit/Source/modules/indexeddb/WebIDBDatabaseCallbacksImpl.h | 
| @@ -49,6 +49,9 @@ class WebIDBDatabaseCallbacksImpl final : public WebIDBDatabaseCallbacks { | 
| void onVersionChange(long long oldVersion, long long newVersion) override; | 
| void onAbort(long long transactionId, const WebIDBDatabaseError&) override; | 
| void onComplete(long long transactionId) override; | 
| +  void onChanges(const std::unordered_map<int32_t, std::vector<int32_t>>& | 
| +                     observation_index_map, | 
| +                 const WebVector<WebIDBObservation>& observations) override; | 
| void detach() override; | 
|  | 
| private: | 
|  |