[IndexedDB] Propogating changes to observers : Renderer

content/child/indexed_db/webidbdatabase_impl.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_CHILD_INDEXED_DB_WEBIDBDATABASE_IMPL_H_
 #define CONTENT_CHILD_INDEXED_DB_WEBIDBDATABASE_IMPL_H_
 
 #include <stdint.h>
 
 #include "base/memory/ref_counted.h"
@@ skipping 30 matching lines @@
   void createTransaction(long long transaction_id,
                          blink::WebIDBDatabaseCallbacks* callbacks,
                          const blink::WebVector<long long>& scope,
                          blink::WebIDBTransactionMode mode) override;
 
   void close() override;
   void versionChangeIgnored() override;
 
   int32_t addObserver(std::unique_ptr<blink::WebIDBObserver>,
                       long long transactionId) override;
-  bool containsObserverId(int32_t id) const override;
   void removeObservers(
       const std::vector<int32_t>& observer_ids_to_remove) override;
 
   void get(long long transactionId,
            long long objectStoreId,
            long long indexId,
            const blink::WebIDBKeyRange&,
            bool keyOnly,
            blink::WebIDBCallbacks*) override;
   void getAll(long long transactionId,
@@ skipping 58 matching lines @@
  private:
   int32_t ipc_database_id_;
   int32_t ipc_database_callbacks_id_;
   std::set<int32_t> observer_ids_;
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_INDEXED_DB_WEBIDBDATABASE_IMPL_H_