media: Convert mojo media defines to buildflags

content/shell/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/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//build/config/win/console_app.gni")
 import("//build/config/win/manifest.gni")
 import("//media/media_options.gni")
@@ skipping 180 matching lines @@
   ]
 
   configs += [
     ":content_shell_lib_warnings",
     "//build/config:precompiled_headers",
 
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
   ]
 
-  if (enable_mojo_media) {
-    configs += [ "//media/mojo/services:mojo_media_config" ]
-  }
-
   defines = [ "CONTENT_SHELL_VERSION=\"$content_shell_version\"" ]
 
   public_deps = [
     # This exposes all public content APIs.
     "//content/public/app:both",
     "//content/public/browser",
     "//content/public/child",
     "//content/public/common",
     "//content/public/renderer",
     "//content/public/utility",
@@ skipping 24 matching lines @@
     "//content/test:test_support",
     "//device/bluetooth",
     "//device/bluetooth:fake_bluetooth",
     "//device/bluetooth:mocks",
     "//device/geolocation",
     "//device/sensors/public/cpp:full",
     "//gin",
     "//gpu",
     "//media",
     "//media/capture",
+    "//media/mojo:features",
     "//mojo/edk/js",
     "//net",
     "//net:net_resources",
     "//net:test_support",
     "//ppapi/features",
     "//sandbox",
     "//services/service_manager/public/cpp",
     "//skia",
     "//storage/browser",
     "//testing/gmock",
@@ skipping 550 matching lines @@
     data_deps += [
       "//breakpad:dump_syms",
       "//breakpad:microdump_stackwalk",
       "//breakpad:minidump_dump",
       "//breakpad:minidump_stackwalk",
       "//breakpad:symupload",
       "//tools/android/forwarder2",
     ]
   }
 }