media: Convert mojo media defines to buildflags

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/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 1624 matching lines @@
     "//device/usb/public/interfaces",
     "//device/vr/features",
     "//extensions/features",
     "//gin:gin_features",
     "//google_apis",
     "//gpu/config",
     "//media",
     "//media:media_features",
     "//media/cast:net",
     "//media/midi",
+    "//media/mojo:features",
     "//media/mojo/interfaces:remoting",
     "//mojo/common",
     "//mojo/edk/system",
     "//mojo/public/cpp/bindings",
     "//mojo/public/js",
     "//net:extras",
     "//ppapi/features",
     "//printing/features",
     "//rlz/features",
     "//services/data_decoder/public/cpp",
@@ skipping 2408 matching lines @@
       "local_discovery/service_discovery_client_impl.cc",
       "local_discovery/service_discovery_client_impl.h",
       "local_discovery/service_discovery_client_mdns.cc",
       "local_discovery/service_discovery_client_mdns.h",
       "printing/cloud_print/privet_traffic_detector.cc",
       "printing/cloud_print/privet_traffic_detector.h",
     ]
   }
 
   if (enable_mojo_media) {
-    configs += [ "//media/mojo/services:mojo_media_config" ]
     sources += [
       "media/output_protection_impl.cc",
       "media/output_protection_impl.h",
     ]
     deps += [ "//media/mojo/interfaces" ]
     if (mojo_media_host == "browser") {
       deps += [ "//media/mojo/services" ]
     }
   }
 
@@ skipping 674 matching lines @@
       "media/pepper_cdm_test_constants.cc",
       "media/pepper_cdm_test_constants.h",
     ]
   }
 }
 
 service_manifest("preferences_forwarder_manifest") {
   name = "preferences_forwarder"
   source = "prefs/forwarder_manifest.json"
 }