Implement Web MIDI API back-end

This involves browser-side support and IPC for sending and receiving
MIDI messages.  Initially support for OSX is included.

BUG=163795
R=palmer@chromium.org, piman@chromium.org, scherkus@chromium.org

Review URL: https://codereview.chromium.org/16025005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@207983 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 36 insertions, 0 deletions

diff --git a/media/midi/midi_port_info.h b/media/midi/midi_port_info.h
new file mode 100644
index 0000000..f4afb49
--- /dev/null
+++ b/media/midi/midi_port_info.h
@@ -0,0 +1,36 @@
+// Copyright (c) 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 MEDIA_MIDI_MIDI_PORT_INFO_H_
+#define MEDIA_MIDI_MIDI_PORT_INFO_H_
+
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "media/base/media_export.h"
+
+namespace media {
+
+struct MEDIA_EXPORT MIDIPortInfo {
+  MIDIPortInfo();
+  MIDIPortInfo(const std::string& in_id,
+               const std::string& in_manufacturer,
+               const std::string& in_name,
+               const std::string& in_version);
+
+  MIDIPortInfo(const MIDIPortInfo& info);
+  ~MIDIPortInfo();
+
+  std::string id;
+  std::string manufacturer;
+  std::string name;
+  std::string version;
+};
+
+typedef std::vector<MIDIPortInfo> MIDIPortInfoList;
+
+}  // namespace media
+
+#endif  // MEDIA_MIDI_MIDI_PORT_INFO_H_