[IndexedDB] Propogating Changes to Observer : Browser

content/browser/indexed_db/indexed_db_connection.h

Index: content/browser/indexed_db/indexed_db_connection.h
diff --git a/content/browser/indexed_db/indexed_db_connection.h b/content/browser/indexed_db/indexed_db_connection.h
index 3c305f39d057147c8a8feb12654a0f826404b09a..9c097a99f7f240323b178c09a28eaa498088cdb5 100644
--- a/content/browser/indexed_db/indexed_db_connection.h
+++ b/content/browser/indexed_db/indexed_db_connection.h
@@ -35,6 +35,9 @@ class CONTENT_EXPORT IndexedDBConnection {
   // connection.
   virtual void RemoveObservers(const std::vector<int32_t>& remove_observer_ids);
 
+  void set_id(int32_t id);
+  int32_t id() const { return id_; }
+
   IndexedDBDatabase* database() const { return database_.get(); }
   IndexedDBDatabaseCallbacks* callbacks() const { return callbacks_.get(); }
   const std::vector<std::unique_ptr<IndexedDBObserver>>& active_observers()
@@ -46,6 +49,10 @@ class CONTENT_EXPORT IndexedDBConnection {
   }
 
  private:
+  enum { kInvalidId = -1 };
+  // id_ is ipc_database_id
+  int32_t id_ = kInvalidId;
+
   // NULL in some unit tests, and after the connection is closed.
   scoped_refptr<IndexedDBDatabase> database_;