[IndexedDB] Refactoring to remove ref ptrs and host transaction ids.

content/browser/indexed_db/mock_indexed_db_database_callbacks.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_BROWSER_INDEXED_DB_MOCK_INDEXED_DB_DATABASE_CALLBACKS_H_
 #define CONTENT_BROWSER_INDEXED_DB_MOCK_INDEXED_DB_DATABASE_CALLBACKS_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
 #include "content/browser/indexed_db/indexed_db_callbacks.h"
 #include "content/browser/indexed_db/indexed_db_connection.h"
 
 namespace content {
 
 class MockIndexedDBDatabaseCallbacks : public IndexedDBDatabaseCallbacks {
  public:
   MockIndexedDBDatabaseCallbacks();
 
   void OnVersionChange(int64_t old_version, int64_t new_version) override {}
   void OnForcedClose() override;
-  void OnAbort(int64_t transaction_id,
+  void OnAbort(const IndexedDBTransaction& transaction,
                const IndexedDBDatabaseError& error) override;
-  void OnComplete(int64_t transaction_id) override {}
+  void OnComplete(const IndexedDBTransaction& transaction) override {}
 
   bool abort_called() const { return abort_called_; }
   bool forced_close_called() const { return forced_close_called_; }
 
  private:
   ~MockIndexedDBDatabaseCallbacks() override {}
 
   bool abort_called_;
   bool forced_close_called_;
 
   DISALLOW_COPY_AND_ASSIGN(MockIndexedDBDatabaseCallbacks);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_MOCK_INDEXED_DB_DATABASE_CALLBACKS_H_