Web MIDI: fix a regression of r430234

components/test_runner/mock_web_midi_accessor.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 COMPONENTS_TEST_RUNNER_MOCK_WEB_MIDI_ACCESSOR_H_
 #define COMPONENTS_TEST_RUNNER_MOCK_WEB_MIDI_ACCESSOR_H_
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "media/midi/midi_service.mojom.h"
 #include "third_party/WebKit/public/platform/modules/webmidi/WebMIDIAccessor.h"
 
 namespace blink {
 class WebMIDIAccessorClient;
 }
 
 namespace test_runner {
 
 class TestInterfaces;
 
 class MockWebMIDIAccessor : public blink::WebMIDIAccessor {
  public:
-  explicit MockWebMIDIAccessor(blink::WebMIDIAccessorClient* client,
-                               TestInterfaces* interfaces);
+  MockWebMIDIAccessor(blink::WebMIDIAccessorClient* client,
+                      TestInterfaces* interfaces);
   ~MockWebMIDIAccessor() override;
 
   // blink::WebMIDIAccessor implementation.
   void startSession() override;
   void sendMIDIData(unsigned port_index,
                     const unsigned char* data,
                     size_t length,
                     double timestamp) override;
 
  private:
-  void ReportStartedSession(midi::mojom::Result result);
+  void addInputPort(midi::mojom::PortState state);
+  void addOutputPort(midi::mojom::PortState state);
+  void reportStartedSession(midi::mojom::Result result);
 
   blink::WebMIDIAccessorClient* client_;
   TestInterfaces* interfaces_;
+  unsigned next_input_port_index_;
+  unsigned next_output_port_index_;
 
   base::WeakPtrFactory<MockWebMIDIAccessor> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MockWebMIDIAccessor);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_MOCK_WEB_MIDI_ACCESSOR_H_