Revert of Support multiple video decoders and encoders

content/content_common.gypi

Index: content/content_common.gypi
diff --git a/content/content_common.gypi b/content/content_common.gypi
index 52145c65ed805e41bc5709391bae424124cf54da..197bbc687f5b2794935fd20e70bfb5e8d3a482be 100644
--- a/content/content_common.gypi
+++ b/content/content_common.gypi
@@ -759,13 +759,15 @@
         '../third_party/libjingle/libjingle.gyp:libjingle',
       ],
     }],
-    ['chromeos == 1 and (target_arch == "arm" or use_ozone == 1)', {
+    ['target_arch=="arm" and chromeos == 1 and use_x11 == 1', {
       'dependencies': [
         '../media/media.gyp:media',
       ],
       'sources': [
         'common/gpu/media/generic_v4l2_video_device.cc',
         'common/gpu/media/generic_v4l2_video_device.h',
+        'common/gpu/media/tegra_v4l2_video_device.cc',
+        'common/gpu/media/tegra_v4l2_video_device.h',
         'common/gpu/media/v4l2_image_processor.cc',
         'common/gpu/media/v4l2_image_processor.h',
         'common/gpu/media/v4l2_video_decode_accelerator.cc',
@@ -777,14 +779,6 @@
       ],
       'include_dirs': [
         '<(DEPTH)/third_party/khronos',
-      ],
-      'conditions': [
-        ['target_arch == "arm"', {
-          'sources': [
-            'common/gpu/media/tegra_v4l2_video_device.cc',
-            'common/gpu/media/tegra_v4l2_video_device.h',
-          ],
-        }],
       ],
     }],
     ['target_arch != "arm" and chromeos == 1', {