Web MIDI API back-end (work-in-progress)

media/media.gyp

Index: media/media.gyp
diff --git a/media/media.gyp b/media/media.gyp
index d3d7999404104dbd7e820475d607101659332a77..efaac6a74c0479351422ada46a97763fb568cb7e 100644
--- a/media/media.gyp
+++ b/media/media.gyp
@@ -373,6 +373,10 @@
         'filters/video_renderer_base.h',
         'filters/vpx_video_decoder.cc',
         'filters/vpx_video_decoder.h',
+        'midi/midi_manager.h',
+        'midi/midi_manager.cc',
+        'midi/midi_manager_mac.h',
+        'midi/midi_manager_mac.cc',
         'video/capture/android/video_capture_device_android.cc',
         'video/capture/android/video_capture_device_android.h',
         'video/capture/fake_video_capture_device.cc',
@@ -569,6 +573,7 @@
               '$(SDKROOT)/System/Library/Frameworks/AudioToolbox.framework',
               '$(SDKROOT)/System/Library/Frameworks/AVFoundation.framework',
               '$(SDKROOT)/System/Library/Frameworks/CoreAudio.framework',
+              '$(SDKROOT)/System/Library/Frameworks/CoreMIDI.framework',
             ],
           },
         }],
@@ -794,6 +799,7 @@
               '$(SDKROOT)/System/Library/Frameworks/AudioToolbox.framework',
               '$(SDKROOT)/System/Library/Frameworks/AudioUnit.framework',
               '$(SDKROOT)/System/Library/Frameworks/CoreAudio.framework',
+              '$(SDKROOT)/System/Library/Frameworks/CoreMIDI.framework',
               '$(SDKROOT)/System/Library/Frameworks/CoreVideo.framework',
               '$(SDKROOT)/System/Library/Frameworks/OpenGL.framework',
               '$(SDKROOT)/System/Library/Frameworks/QTKit.framework',