Enable Accelerated Video Decode in Linux

media/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/buildflag_header.gni")
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/features.gni")
 import("//build/config/linux/pkg_config.gni")
 import("//build/config/ui.gni")
@@ skipping 407 matching lines @@
     allow_circular_includes_from = [ "//media/base/android" ]
   }
 
   if (!is_android || media_use_ffmpeg) {
     sources += [
       "filters/opus_audio_decoder.cc",
       "filters/opus_audio_decoder.h",
     ]
   }
 
-  if (current_cpu != "arm" && is_chromeos) {
+  if (current_cpu != "arm" && is_linux) {
     sources += [
       "filters/h264_bitstream_buffer.cc",
       "filters/h264_bitstream_buffer.h",
     ]
   }
 
   # A simple WebM encoder for animated avatars on ChromeOS.
 
   if (use_ozone) {
     # Used for the generated listing header (ui/ozone/platform_list.h)
@@ skipping 314 matching lines @@
         "filters/audio_decoder_unittest.cc",
         "filters/audio_file_reader_unittest.cc",
         "filters/ffmpeg_demuxer_unittest.cc",
 
         # FFmpeg on Android does not include video decoders.
         "filters/ffmpeg_video_decoder_unittest.cc",
       ]
     }
   }
 
-  if (current_cpu != "arm" && is_chromeos) {
+  if (current_cpu != "arm" && is_linux) {
     sources += [ "filters/h264_bitstream_buffer_unittest.cc" ]
   }
 
   if (proprietary_codecs) {
     sources += [
       "cdm/cenc_utils_unittest.cc",
       "filters/h264_to_annex_b_bitstream_converter_unittest.cc",
       "formats/common/stream_parser_test_base.cc",
       "formats/common/stream_parser_test_base.h",
       "formats/mp4/aac_unittest.cc",
@@ skipping 166 matching lines @@
 if (proprietary_codecs) {
   fuzzer_test("media_cenc_utils_fuzzer") {
     sources = [
       "cdm/cenc_utils_fuzzertest.cc",
     ]
     deps = [
       ":media",
     ]
   }
 }