Revert of Web MIDI: split build rules for media/midi

media/BUILD.gn

Index: media/BUILD.gn
diff --git a/media/BUILD.gn b/media/BUILD.gn
index 7f2dd6a4873d62f0c438bdca4509668585f7b3a6..559e29ade71326f11e9f536314467371637e5e9c 100644
--- a/media/BUILD.gn
+++ b/media/BUILD.gn
@@ -31,6 +31,9 @@
   }
   if (use_cras) {
     defines += [ "USE_CRAS" ]
+  }
+  if (use_alsa) {
+    defines += [ "USE_ALSA" ]
   }
 }
 
@@ -176,6 +179,30 @@
     "formats/webm/webm_video_client.h",
     "formats/webm/webm_webvtt_parser.cc",
     "formats/webm/webm_webvtt_parser.h",
+    "midi/midi_manager.cc",
+    "midi/midi_manager.h",
+    "midi/midi_manager_mac.cc",
+    "midi/midi_manager_mac.h",
+    "midi/midi_manager_usb.cc",
+    "midi/midi_manager_usb.h",
+    "midi/midi_manager_win.cc",
+    "midi/midi_manager_win.h",
+    "midi/midi_message_queue.cc",
+    "midi/midi_message_queue.h",
+    "midi/midi_message_util.cc",
+    "midi/midi_message_util.h",
+    "midi/midi_port_info.cc",
+    "midi/midi_port_info.h",
+    "midi/midi_scheduler.cc",
+    "midi/midi_scheduler.h",
+    "midi/usb_midi_descriptor_parser.cc",
+    "midi/usb_midi_descriptor_parser.h",
+    "midi/usb_midi_device.h",
+    "midi/usb_midi_input_stream.cc",
+    "midi/usb_midi_input_stream.h",
+    "midi/usb_midi_jack.h",
+    "midi/usb_midi_output_stream.cc",
+    "midi/usb_midi_output_stream.h",
     "renderers/audio_renderer_impl.cc",
     "renderers/audio_renderer_impl.h",
     "renderers/gpu_video_accelerator_factories.h",
@@ -316,6 +343,11 @@
     ]
   } else {
     sources += [
+      "midi/midi_manager_android.cc",
+      "midi/usb_midi_device_android.cc",
+      "midi/usb_midi_device_android.h",
+      "midi/usb_midi_device_factory_android.cc",
+      "midi/usb_midi_device_factory_android.h",
       "video/capture/android/video_capture_device_android.cc",
       "video/capture/android/video_capture_device_android.h",
       "video/capture/android/video_capture_device_factory_android.cc",
@@ -336,6 +368,18 @@
     ]
   }
 
+  if (use_alsa) {
+    libs += [ "asound" ]
+    sources += [
+      "midi/midi_manager_alsa.cc",
+      "midi/midi_manager_alsa.h",
+    ]
+  }
+
+  if (use_udev) {
+    deps += [ "//device/udev_linux" ]
+  }
+
   # A simple WebM encoder for animated avatars on ChromeOS.
 
   if (use_ozone) {
@@ -359,6 +403,7 @@
       "//third_party/decklink",
     ]
     libs += [
+      "CoreMIDI.framework",
       "CoreVideo.framework",
       "OpenGL.framework",
       "QTKit.framework",
@@ -377,6 +422,8 @@
   }
 
   if (is_win) {
+    deps += [ "//device/usb" ]
+
     libs += [
       "mf.lib",
       "mfplat.lib",
@@ -528,6 +575,13 @@
     "formats/webm/webm_parser_unittest.cc",
     "formats/webm/webm_tracks_parser_unittest.cc",
     "formats/webm/webm_webvtt_parser_unittest.cc",
+    "midi/midi_manager_unittest.cc",
+    "midi/midi_manager_usb_unittest.cc",
+    "midi/midi_message_queue_unittest.cc",
+    "midi/midi_message_util_unittest.cc",
+    "midi/usb_midi_descriptor_parser_unittest.cc",
+    "midi/usb_midi_input_stream_unittest.cc",
+    "midi/usb_midi_output_stream_unittest.cc",
     "renderers/audio_renderer_impl_unittest.cc",
     "renderers/renderer_impl_unittest.cc",
     "renderers/video_renderer_impl_unittest.cc",
@@ -615,8 +669,18 @@
   }
 
   if (is_mac) {
-    sources +=
-        [ "video/capture/mac/video_capture_device_factory_mac_unittest.mm" ]
+    sources += [
+      "midi/midi_manager_mac_unittest.cc",
+      "video/capture/mac/video_capture_device_factory_mac_unittest.mm",
+    ]
+    libs = [
+      # Required by midi_manager_mac_unittest.cc.
+      "CoreMIDI.framework",
+    ]
+  }
+
+  if (use_alsa) {
+    sources += [ "midi/midi_manager_alsa_unittest.cc" ]
   }
 
   #      include_dirs += [