[IndexedDB] Propogating changes to observers : Renderer

content/child/indexed_db/webidbdatabase_impl.h

Index: content/child/indexed_db/webidbdatabase_impl.h
diff --git a/content/child/indexed_db/webidbdatabase_impl.h b/content/child/indexed_db/webidbdatabase_impl.h
index 2be351f1989d81b34555a0ec71ade20b12da53e9..85710030a8b3778bfbbafed2e865ee2a97b61ab6 100644
--- a/content/child/indexed_db/webidbdatabase_impl.h
+++ b/content/child/indexed_db/webidbdatabase_impl.h
@@ -7,6 +7,8 @@
 
 #include <stdint.h>
 
+#include <set>
+
 #include "base/memory/ref_counted.h"
 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBCursor.h"
 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBDatabase.h"
@@ -48,9 +50,8 @@ class WebIDBDatabaseImpl : public blink::WebIDBDatabase {
 
   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;
+      const blink::WebVector<int32_t>& observer_ids_to_remove) override;
 
   void get(long long transactionId,
            long long objectStoreId,