IndexedDB: Sprinkle DISALLOW_COPY_AND_ASSIGN where appropriate

content/browser/indexed_db/indexed_db_connection.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_INDEXED_DB_CONNECTION_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CONNECTION_H_
 
 #include "base/memory/ref_counted.h"
 #include "content/browser/indexed_db/indexed_db_database.h"
 #include "content/browser/indexed_db/indexed_db_database_callbacks.h"
@@ skipping 16 matching lines @@
   IndexedDBDatabase* database() { return database_; }
   IndexedDBDatabaseCallbacks* callbacks() { return callbacks_; }
 
  private:
   // NULL in some unit tests, and after the connection is closed.
   scoped_refptr<IndexedDBDatabase> database_;
 
   // The callbacks_ member is cleared when the connection is closed.
   // May be NULL in unit tests.
   scoped_refptr<IndexedDBDatabaseCallbacks> callbacks_;
+
+  DISALLOW_COPY_AND_ASSIGN(IndexedDBConnection);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CONNECTION_H_