Add the "is_ensemble" build variable.

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
     # (DT_NEEDED) instead of using dlopen. This helps with automated
     # detection of ABI mismatches and prevents silent errors.
     'linux_link_pulseaudio%': 0,
+    # Override to omit code that depends on the X11, font, and graphics
+    # libraries.
+    'is_ensemble%': 0,
     'conditions': [
       ['OS=="android" or OS=="ios"', {
         # Android and iOS don't use ffmpeg or libvpx.
         'media_use_ffmpeg%': 0,
         'media_use_libvpx%': 0,
       }, {  # 'OS!="android" and OS!="ios"'
         'media_use_ffmpeg%': 1,
         'media_use_libvpx%': 1,
       }],
       # Enable ALSA and Pulse for runtime selection.
@@ skipping 31 matching lines @@
     {
       # GN version: //media
       'target_name': 'media',
       'type': '<(component)',
       'dependencies': [
         '../base/base.gyp:base',
         '../base/base.gyp:base_i18n',
         '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../crypto/crypto.gyp:crypto',
         '../gpu/gpu.gyp:command_buffer_common',
-        '../skia/skia.gyp:skia',
         '../third_party/libyuv/libyuv.gyp:libyuv',
         '../third_party/opus/opus.gyp:opus',
-        '../ui/events/events.gyp:events_base',
-        '../ui/gfx/gfx.gyp:gfx',
         '../ui/gfx/gfx.gyp:gfx_geometry',
         '../url/url.gyp:url_lib',
         'shared_memory_support',
       ],
       'defines': [
         'MEDIA_IMPLEMENTATION',
       ],
       'include_dirs': [
         '..',
       ],
@@ skipping 368 matching lines @@
         'filters/ffmpeg_glue.cc',
         'filters/ffmpeg_glue.h',
         'filters/ffmpeg_video_decoder.cc',
         'filters/ffmpeg_video_decoder.h',
         'filters/file_data_source.cc',
         'filters/file_data_source.h',
         'filters/frame_processor.cc',
         'filters/frame_processor.h',
         'filters/gpu_video_accelerator_factories.cc',
         'filters/gpu_video_accelerator_factories.h',
-        'filters/gpu_video_decoder.cc',
-        'filters/gpu_video_decoder.h',
         'filters/h264_bit_reader.cc',
         'filters/h264_bit_reader.h',
         'filters/h264_parser.cc',
         'filters/h264_parser.h',
         'filters/in_memory_url_protocol.cc',
         'filters/in_memory_url_protocol.h',
         'filters/jpeg_parser.cc',
         'filters/jpeg_parser.h',
         'filters/opus_audio_decoder.cc',
         'filters/opus_audio_decoder.h',
         'filters/renderer_impl.cc',
         'filters/renderer_impl.h',
-        'filters/skcanvas_video_renderer.cc',
-        'filters/skcanvas_video_renderer.h',
         'filters/source_buffer_range.cc',
         'filters/source_buffer_range.h',
         'filters/source_buffer_stream.cc',
         'filters/source_buffer_stream.h',
         'filters/stream_parser_factory.cc',
         'filters/stream_parser_factory.h',
         'filters/video_frame_scheduler.h',
         'filters/video_frame_scheduler_impl.cc',
         'filters/video_frame_scheduler_impl.h',
         'filters/video_frame_scheduler_proxy.cc',
@@ skipping 37 matching lines @@
         'midi/usb_midi_input_stream.h',
         'midi/usb_midi_jack.h',
         'midi/usb_midi_output_stream.cc',
         'midi/usb_midi_output_stream.h',
         'ozone/media_ozone_platform.cc',
         'ozone/media_ozone_platform.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',
         'video/capture/android/video_capture_device_factory_android.h',
-        'video/capture/fake_video_capture_device.cc',
-        'video/capture/fake_video_capture_device.h',
-        'video/capture/fake_video_capture_device_factory.h',
-        'video/capture/fake_video_capture_device_factory.cc',
         'video/capture/file_video_capture_device.cc',
         'video/capture/file_video_capture_device.h',
-        'video/capture/file_video_capture_device_factory.h',
-        'video/capture/file_video_capture_device_factory.cc',
-        'video/capture/linux/video_capture_device_factory_linux.cc',
-        'video/capture/linux/video_capture_device_factory_linux.h',
         'video/capture/linux/video_capture_device_linux.cc',
         'video/capture/linux/video_capture_device_linux.h',
         'video/capture/linux/video_capture_device_chromeos.cc',
         'video/capture/linux/video_capture_device_chromeos.h',
         'video/capture/mac/platform_video_capturing_mac.h',
         'video/capture/mac/video_capture_device_avfoundation_mac.h',
         'video/capture/mac/video_capture_device_avfoundation_mac.mm',
         'video/capture/mac/video_capture_device_decklink_mac.h',
         'video/capture/mac/video_capture_device_decklink_mac.mm',
         'video/capture/mac/video_capture_device_factory_mac.h',
         'video/capture/mac/video_capture_device_factory_mac.mm',
         'video/capture/mac/video_capture_device_mac.h',
         'video/capture/mac/video_capture_device_mac.mm',
         'video/capture/mac/video_capture_device_qtkit_mac.h',
         'video/capture/mac/video_capture_device_qtkit_mac.mm',
         'video/capture/video_capture_device.cc',
         'video/capture/video_capture_device.h',
-        'video/capture/video_capture_device_factory.cc',
-        'video/capture/video_capture_device_factory.h',
         'video/capture/video_capture_device_info.cc',
         'video/capture/video_capture_device_info.h',
         'video/capture/video_capture_types.cc',
         'video/capture/video_capture_types.h',
         'video/capture/win/capability_list_win.cc',
         'video/capture/win/capability_list_win.h',
         'video/capture/win/filter_base_win.cc',
         'video/capture/win/filter_base_win.h',
         'video/capture/win/pin_base_win.cc',
         'video/capture/win/pin_base_win.h',
@@ skipping 44 matching lines @@
         'formats/webm/webm_video_client.h',
         'formats/webm/webm_webvtt_parser.cc',
         'formats/webm/webm_webvtt_parser.h'
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '..',
         ],
       },
       'conditions': [
+        ['is_ensemble==0', {
+          # Add the sources and dependencies that need X11, font, or graphics
+          # libraries.
+          'dependencies': [
+            '../skia/skia.gyp:skia',
+            '../ui/events/events.gyp:events_base',
+            '../ui/gfx/gfx.gyp:gfx',
+          ],
+          'sources': [
+            'filters/gpu_video_decoder.cc',
+            'filters/gpu_video_decoder.h',
+            'filters/skcanvas_video_renderer.cc',
+            'filters/skcanvas_video_renderer.h',
+            'video/capture/fake_video_capture_device.cc',
+            'video/capture/fake_video_capture_device.h',
+            'video/capture/fake_video_capture_device_factory.cc',
+            'video/capture/fake_video_capture_device_factory.h',
+            'video/capture/file_video_capture_device_factory.cc',
+            'video/capture/file_video_capture_device_factory.h',
+            'video/capture/linux/video_capture_device_factory_linux.cc',
+            'video/capture/linux/video_capture_device_factory_linux.h',
+            'video/capture/video_capture_device_factory.cc',
+            'video/capture/video_capture_device_factory.h',
+          ],
+        }, {  # is_ensemble==1
+          # Exclude the sources that need X11, font, or graphics libraries.
+          'sources!': [
+            'filters/default_renderer_factory.cc',
+            'filters/default_renderer_factory.h',

[wtc, 2015/02/12 02:17:45]

These two files are excluded rather than added because they are excluded for
another build configuration (see lines 729-734).

+          ],
+        }],
         ['arm_neon==1', {
           'defines': [
             'USE_NEON'
           ],
         }],
         ['media_use_ffmpeg==1', {
           'dependencies': [
             '../third_party/ffmpeg/ffmpeg.gyp:ffmpeg',
           ],
         }, {  # media_use_ffmpeg==0
@@ skipping 115 matching lines @@
           ],
         }],
         ['OS!="openbsd"', {
           'sources!': [
             'audio/openbsd/audio_manager_openbsd.cc',
             'audio/openbsd/audio_manager_openbsd.h',
           ],
         }],
         ['OS=="linux"', {
           'conditions': [
-            ['use_x11==1', {
+            ['use_x11==1 and is_ensemble==0', {
               'dependencies': [
                 '../build/linux/system.gyp:x11',
                 '../build/linux/system.gyp:xdamage',
                 '../build/linux/system.gyp:xext',
                 '../build/linux/system.gyp:xfixes',
                 '../build/linux/system.gyp:xtst',
                 '../ui/gfx/x/gfx_x11.gyp:gfx_x11',
               ],
-            }, {  # else: use_x11==0
+            }, {  # else: use_x11==0 or is_ensemble==1
               'sources!': [
                 'base/user_input_monitor_linux.cc',
               ],
               'defines': [
                 'DISABLE_USER_INPUT_MONITOR',
               ],
             }],
             ['use_cras==1', {
               'cflags': [
                 '<!@(<(pkg-config) --cflags libcras)',
@@ skipping 1149 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'media_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }