[IndexedDB] Adding transaction and value support to observers

third_party/WebKit/Source/modules/indexeddb/IDBDatabase.h

 /*
  * Copyright (C) 2010 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 27 matching lines @@
 #include "modules/indexeddb/IDBHistograms.h"
 #include "modules/indexeddb/IDBMetadata.h"
 #include "modules/indexeddb/IDBObjectStore.h"
 #include "modules/indexeddb/IDBObjectStoreParameters.h"
 #include "modules/indexeddb/IDBTransaction.h"
 #include "modules/indexeddb/IndexedDB.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/modules/indexeddb/WebIDBDatabase.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
+
 #include <memory>
 
 namespace blink {
 
 class DOMException;
 class ExceptionState;
 class ExecutionContext;
 class IDBObserver;
 struct WebIDBObservation;
 
@@ skipping 51 matching lines @@
 
   DEFINE_ATTRIBUTE_EVENT_LISTENER(abort);
   DEFINE_ATTRIBUTE_EVENT_LISTENER(close);
   DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
   DEFINE_ATTRIBUTE_EVENT_LISTENER(versionchange);
 
   // IDBDatabaseCallbacks
   void onVersionChange(int64_t oldVersion, int64_t newVersion);
   void onAbort(int64_t, DOMException*);
   void onComplete(int64_t);
-  void onChanges(const std::unordered_map<int32_t, std::vector<int32_t>>&
-                     observation_index_map,
-                 const WebVector<WebIDBObservation>& observations);
+  void onChanges(
+      const std::unordered_map<int32_t, std::vector<int32_t>>&
+          observation_index_map,
+      const WebVector<WebIDBObservation>& observations,
+      const std::unordered_map<int32_t,
+                               std::pair<int64_t, std::vector<int64_t>>>&
+          transactions);
 
   // ScriptWrappable
   bool hasPendingActivity() const final;
 
   // ContextLifecycleObserver
   void contextDestroyed() override;
 
   // EventTarget
   const AtomicString& interfaceName() const override;
   ExecutionContext* getExecutionContext() const override;
@@ skipping 10 matching lines @@
   void renameObjectStore(int64_t storeId, const String& newName);
   void revertObjectStoreCreation(int64_t objectStoreId);
   void revertObjectStoreMetadata(RefPtr<IDBObjectStoreMetadata> oldMetadata);
 
   // Will return nullptr if this database is stopped.
   WebIDBDatabase* backend() const { return m_backend.get(); }
 
   static int64_t nextTransactionId();
   static int32_t nextObserverId();
 
+  static const char cannotObserveVersionChangeTransaction[];
   static const char indexDeletedErrorMessage[];
   static const char indexNameTakenErrorMessage[];
   static const char isKeyCursorErrorMessage[];
   static const char noKeyOrKeyRangeErrorMessage[];
   static const char noSuchIndexErrorMessage[];
   static const char noSuchObjectStoreErrorMessage[];
   static const char noValueErrorMessage[];
   static const char notValidKeyErrorMessage[];
   static const char notVersionChangeTransactionErrorMessage[];
   static const char objectStoreDeletedErrorMessage[];
@@ skipping 33 matching lines @@
   // Keep track of the versionchange events waiting to be fired on this
   // database so that we can cancel them if the database closes.
   HeapVector<Member<Event>> m_enqueuedEvents;
 
   Member<IDBDatabaseCallbacks> m_databaseCallbacks;
 };
 
 }  // namespace blink
 
 #endif  // IDBDatabase_h