FakeVideoCaptureDevice: add support for capturing into Dma-Bufs using VGEM in CrOs

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 808 matching lines @@
                 '--include="media/ozone/media_ozone_platform.h"'
               ],
             },
           ]
         }, {
           'sources!': [
             'ozone/media_ozone_platform.cc',
             'ozone/media_ozone_platform.h',
           ]
         }],
+        ['chromeos==1 and use_ozone==1', {
+          'dependencies': [
+            '../build/linux/system.gyp:libdrm',
+          ]
+        }],
         ['OS!="linux"', {
           'sources!': [
             'audio/cras/audio_manager_cras.cc',
             'audio/cras/audio_manager_cras.h',
             'audio/cras/cras_input.cc',
             'audio/cras/cras_input.h',
             'audio/cras/cras_unified.cc',
             'audio/cras/cras_unified.h',
           ],
         }],
@@ skipping 1100 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'media_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }