Enable Accelerated Video Decode in Linux

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 771 matching lines @@
               ],
               'direct_dependent_settings': {
                 'defines': [
                   'DISABLE_FFMPEG_VIDEO_DECODERS',
                 ],
               },
             }],
           ],
         }],
         # For VaapiVideoEncodeAccelerator.
-        ['target_arch != "arm" and chromeos == 1', {
+        ['target_arch != "arm" and OS=="linux"', {
           'sources': [
             'filters/h264_bitstream_buffer.cc',
             'filters/h264_bitstream_buffer.h',
           ],
         }],
         ['use_alsa==1', {
           'link_settings': {
             'libraries': [
               '-lasound',
             ],
@@ skipping 618 matching lines @@
         }],
         # If ExternalClearKey is built, we can test CdmAdapter.
         ['enable_pepper_cdms == 1', {
           'dependencies': [
             'clearkeycdm',
           ],
           'sources': [
             'cdm/cdm_adapter_unittest.cc',
           ],
         }],
-        ['target_arch != "arm" and chromeos == 1 and use_x11 == 1', {
+        ['target_arch != "arm" and OS=="linux"', {
           'sources': [
             'filters/h264_bitstream_buffer_unittest.cc',
           ],
         }],
         ['target_arch=="ia32" or target_arch=="x64"', {
           'sources': [
             'base/simd/convert_rgb_to_yuv_unittest.cc',
           ],
         }],
         ['proprietary_codecs==1', {
@@ skipping 742 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }