Improve MidiManagerAlsa manufacturer reporting

media/media.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
@@ skipping 1069 matching lines @@
           'sources': [
             'filters/source_buffer_platform.h',
             'filters/source_buffer_platform_lowmem.cc',
           ]
         }, {  # 'use_low_memory_buffer==0'
           'sources': [
             'filters/source_buffer_platform.cc',
             'filters/source_buffer_platform.h',
           ]
         }],
+        ['use_udev==1', {
+          'dependencies': [
+            '../device/udev_linux/udev.gyp:udev_linux',
+          ],
+        }],
       ],  # conditions
       'target_conditions': [
         ['OS == "ios" and _toolset != "host"', {
           'sources/': [
             # Pull in specific Mac files for iOS (which have been filtered out
             # by file name rules).
             ['include', '^base/mac/coremedia_glue\\.h$'],
             ['include', '^base/mac/coremedia_glue\\.mm$'],
             ['include', '^base/mac/corevideo_glue\\.h$'],
             ['include', '^base/mac/videotoolbox_glue\\.h$'],
@@ skipping 294 matching lines @@
         # http://crbug.com/171009
         ['OS=="win" and target_arch=="x64"', {
           'msvs_disabled_warnings': [ 4267, ],
         }],
         ['OS=="mac"', {
           'sources': [
             'midi/midi_manager_mac_unittest.cc',
             'video/capture/mac/video_capture_device_factory_mac_unittest.mm',
           ]
         }],
+        ['use_alsa==1', {
+          'sources': [
+            'midi/midi_manager_alsa_unittest.cc',
+          ]
+        }],
       ],
     },
     {
       # GN version: //media:media_perftests
       'target_name': 'media_perftests',
       'type': '<(gtest_target_type)',
       'dependencies': [
         '../base/base.gyp:test_support_base',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
@@ skipping 522 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'media_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }