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 53 matching lines @@
     void didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, 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