media: Register MojoMediaApplication to run in Utility process.

chromecast/browser/BUILD.gn

Index: chromecast/browser/BUILD.gn
diff --git a/chromecast/browser/BUILD.gn b/chromecast/browser/BUILD.gn
index 358bff1f0f737c669ff7a026de93183a8e00259f..4453f8a6e8f671165211d44e29f802fcecfe1b74 100644
--- a/chromecast/browser/BUILD.gn
+++ b/chromecast/browser/BUILD.gn
@@ -3,6 +3,7 @@
 # found in the LICENSE file.
 
 import("//chromecast/chromecast.gni")
+import("//media/media_options.gni")
 import("//testing/test.gni")
 
 source_set("browser") {
@@ -111,6 +112,14 @@ source_set("browser") {
 
     deps += [ "//components/metrics:serialization" ]
   }
+
+  if (enable_mojo_media != "none") {
+    configs += [ "//media/mojo/services:enable_mojo_media_config" ]
+  }
+
+  if (enable_mojo_media == "utility") {
+    deps += [ "//media/mojo/services:application" ]
+  }
 }
 
 source_set("test_support") {