Migrate content/common/gpu/media code to media/gpu

media/gpu/BUILD.gn

 # Copyright 2016 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/config/features.gni")
 import("//build/config/ui.gni")
 import("//media/gpu/args.gni")
 import("//media/media_options.gni")
 import("//testing/test.gni")
 
@@ skipping 280 matching lines @@
       configs += [
         "//third_party/libva:libva_config",
         "//third_party/libyuv:libyuv_config",
       ]
       deps += [
         ":libva_generate_stubs",
         "//media",
         "//third_party/libyuv",
       ]
       if (use_x11) {
+        configs += [ "//build/config/linux:x11" ]
         sources += [
           "vaapi_tfp_picture.cc",
           "vaapi_tfp_picture.h",
         ]
       }
       if (use_ozone) {
         sources += [
           "vaapi_drm_picture.cc",
           "vaapi_drm_picture.h",
         ]
@@ skipping 116 matching lines @@
       "video_encode_accelerator_unittest.cc",
     ]
     if (use_x11) {
       deps += [ "//ui/gfx/x" ]
     }
     if (use_ozone) {
       deps += [ "//ui/ozone" ]
     }
   }
 }