test_runner: Migrate MockWebMIDIAccessor to Chromium C++ style.

content/shell/renderer/test_runner/MockWebMIDIAccessor.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_SHELL_RENDERER_TEST_RUNNER_MOCKWEBMIDIACCESSOR_H_
-#define CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCKWEBMIDIACCESSOR_H_
-
-#include "base/basictypes.h"
-#include "content/shell/renderer/test_runner/TestCommon.h"
-#include "content/shell/renderer/test_runner/WebTask.h"
-#include "third_party/WebKit/public/platform/WebMIDIAccessor.h"
-
-namespace blink {
-class WebMIDIAccessorClient;
-}
-
-namespace content {
-
-class TestInterfaces;
-
-class MockWebMIDIAccessor : public blink::WebMIDIAccessor {
-public:
-    explicit MockWebMIDIAccessor(blink::WebMIDIAccessorClient*, TestInterfaces*);
-    virtual ~MockWebMIDIAccessor();
-
-    // blink::WebMIDIAccessor implementation.
-    virtual void startSession() OVERRIDE;
-    virtual void sendMIDIData(unsigned portIndex,
-                              const unsigned char* data,
-                              size_t length,
-                              double timestamp) OVERRIDE {}
-
-    // WebTask related methods
-    WebTaskList* mutable_task_list() { return &m_taskList; }
-
-private:
-    blink::WebMIDIAccessorClient* m_client;
-    WebTaskList m_taskList;
-    TestInterfaces* m_interfaces;
-
-    DISALLOW_COPY_AND_ASSIGN(MockWebMIDIAccessor);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCKWEBMIDIACCESSOR_H_