Make chrome GN build work in component mode.

chrome/browser/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//components/nacl/nacl_defines.gni")
 import("//tools/grit/grit_rule.gni")
 
@@ skipping 74 matching lines @@
     "//components/translate/core/browser",
     "//components/translate/core/common",
     "//components/url_fixer",
     "//components/user_prefs",
     "//components/webdata/common",
     "//content/public/browser",
     "//content/public/common",
     "//courgette:courgette_lib",
     "//crypto",
     "//google_apis",
+    "//gpu/config",
     "//jingle:notifier",
     "//skia",
     "//sql",
     "//sync",
     "//third_party/cacheinvalidation",
     "//third_party/icu",
     "//third_party/libxml",
     "//third_party/libjingle",
     "//third_party/widevine/cdm:version_h",
     "//third_party/zlib",
@@ skipping 557 matching lines @@
 # TODO(GYP) write internal action
 if (false) {  #if (is_chrome_branded) {
   action("chrome_internal_resources_gen") {
     # TODO(GYP)
   }
 } else {
   group("chrome_internal_resources_gen") {
     # Empty placeholder.
   }
 }