Add PermissionDescriptor to the permissions Mojo interface.

third_party/WebKit/Source/modules/webmidi/MIDIAccessInitializer.h

 // Copyright 2014 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 MIDIAccessInitializer_h
 #define MIDIAccessInitializer_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "modules/ModulesExport.h"
@@ skipping 75 matching lines @@
                           double timeStamp) override {}
 
  private:
   MIDIAccessInitializer(ScriptState*, const MIDIOptions&);
 
   ExecutionContext* getExecutionContext() const;
   ScriptPromise start();
 
   void contextDestroyed() override;
 
-  void onPermissionsUpdated(const Vector<mojom::blink::PermissionStatus>&);
+  void onPermissionsUpdated(mojom::blink::PermissionStatus);
   void onPermissionUpdated(mojom::blink::PermissionStatus);
 
   std::unique_ptr<MIDIAccessor> m_accessor;
   Vector<PortDescriptor> m_portDescriptors;
   MIDIOptions m_options;
 
   mojom::blink::PermissionServicePtr m_permissionService;
 };
 
 }  // namespace blink
 
 #endif  // MIDIAccessInitializer_h