Add ArcGpuVideoDecodeAccelerator.

chrome/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/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/features.gni")
 import("//build/config/locales.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
@@ skipping 466 matching lines @@
 # GYP version: chromium_child_dependencies variable in chrome.gyp
 group("child_dependencies") {
   public_deps = [
     "//chrome/common",
     "//sync",
   ]
   if (!is_ios) {
     public_deps += [
       "//chrome/browser/devtools",
       "//chrome/child",
+      "//chrome/gpu",
       "//chrome/plugin",
       "//chrome/renderer",
       "//chrome/utility",
       "//content/public/child",
       "//third_party/WebKit/public:blink_devtools_frontend_resources",
     ]
   }
   if (cld_version == 2) {
     public_deps += [ "//third_party/cld_2:cld2_platform_impl" ]
   }
@@ skipping 593 matching lines @@
       "//chrome/app/theme/$branding_path_component/product_logo_48.png",
       "//chrome/tools/build/linux/chrome-wrapper",
       "//third_party/xdg-utils/scripts/xdg-mime",
       "//third_party/xdg-utils/scripts/xdg-settings",
     ]
     outputs = [
       "$root_out_dir/{{source_file_part}}",
     ]
   }
 }