media: Convert mojo media defines to buildflags

content/renderer/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/chromecast_build.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//content/common/features.gni")
 import("//media/media_options.gni")
@@ skipping 450 matching lines @@
     "//gpu/command_buffer/client:gles2_interface",
     "//jingle:jingle_glue",
     "//media",
     "//media/blink",
     "//media/capture",
     "//media/gpu",
     "//media/gpu/ipc/client",
     "//media/gpu/ipc/common",
     "//media/midi",
     "//media/midi:mojo",
+    "//media/mojo:features",
     "//media/mojo/interfaces:remoting",
     "//mojo/common",
     "//mojo/edk/js",
     "//mojo/public/cpp/bindings",
     "//mojo/public/js",
     "//net",
     "//ppapi/features",
     "//printing/features",
     "//sandbox",
     "//services/device/public/interfaces",
@@ skipping 464 matching lines @@
     deps += [ "//printing" ]
   }
 
   if (enable_mojo_media) {
     sources += [
       "media/media_interface_provider.cc",
       "media/media_interface_provider.h",
     ]
 
     deps += [
+      "//media/mojo/clients",
       "//media/mojo/interfaces",
-
-      # Defines in mojo_media_config are also pulled in here.
-      "//media/mojo/clients",
     ]
   }
 
   if (is_linux || is_android) {
     deps += [ "//sandbox:sandbox_features" ]
   }
 
   if (use_ozone) {
     deps += [ "//ui/ozone" ]
   }
 
   if (enable_ipc_fuzzer) {
     configs += [ "//tools/ipc_fuzzer:ipc_fuzzer_config" ]
   }
 
   if (is_chromecast) {
     defines += [ "MEDIA_EVENT_LOG_UTILITY=LOG(INFO)" ]
   }
 }
 
 # See comment at the top of //content/BUILD.gn for how this works.
 group("for_content_tests") {
   visibility = [ "//content/test/*" ]
 
-  if (enable_mojo_media) {
-    # For the defines in mojo_media_config.
-    public_configs = [ "//media/mojo/services:mojo_media_config" ]
-  }
-
   if (!is_component_build) {
     public_deps = [
       ":renderer",
     ]
   }
 }