Add JPEG decoder unittest to GN

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 453 matching lines @@
       "video_encode_accelerator_unittest.cc",
     ]
     if (use_x11) {
       deps += [ "//ui/gfx/x" ]
     }
     if (use_ozone) {
       deps += [ "//ui/ozone" ]
     }
   }
 }
+
+if (is_chromeos) {
+  test("jpeg_decode_accelerator_unittest") {
+    deps = [
+      "//base",
+      "//media",
+      "//media/base:test_support",
+      "//media/gpu",
+      "//testing/gtest",
+      "//third_party/libyuv",
+      "//ui/base",
+      "//ui/gfx",
+      "//ui/gfx:test_support",
+      "//ui/gfx/geometry",
+      "//ui/gl",
+      "//ui/gl:test_support",
+    ]
+    configs += [
+      "//third_party/libva:libva_config",
+      "//third_party/libyuv:libyuv_config",
+      ":gpu_config",
+    ]
+    sources = [
+      "jpeg_decode_accelerator_unittest.cc",
+      "video_accelerator_unittest_helpers.h",
+    ]
+    if (use_x11) {
+      deps += [ "//ui/gfx/x" ]
+    }
+    if (use_ozone) {
+      deps += [ "//ui/ozone" ]
+    }
+  }
+}