mus::GpuService: Support establish GpuChannel asynchronously.

content/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/features.gni")
 import("//build/config/ui.gni")
 import("//content/browser/browser.gni")
 import("//media/media_options.gni")
 import("//tools/ipc_fuzzer/ipc_fuzzer.gni")
 
@@ skipping 371 matching lines @@
     sources -= [ "device_sensors/data_fetcher_shared_memory_default.cc" ]
     deps += [
       "//chromeos",
       "//chromeos:power_manager_proto",
     ]
   }
 
   if (use_aura) {
     deps += [
       "//components/bitmap_uploader",
+      "//components/mus/common:mus_common",
       "//components/mus/public/cpp",
       "//components/mus/public/interfaces",
       "//ui/aura",
       "//ui/aura_extra",
       "//ui/strings",
       "//ui/wm",
     ]
     sources += [
       "compositor/software_output_device_mus.cc",
       "compositor/software_output_device_mus.h",
@@ skipping 115 matching lines @@
   if (!is_component_build) {
     public_deps = [
       ":browser",
     ]
   } else {
     public_deps = [
       "//third_party/leveldatabase",
     ]
   }
 }