media: add basic MediaRenderer mojom and TypeConverters

media/mojo/interfaces/BUILD.gn

Index: media/mojo/interfaces/BUILD.gn
diff --git a/mojo/public/interfaces/application/BUILD.gn b/media/mojo/interfaces/BUILD.gn
similarity index 65%
copy from mojo/public/interfaces/application/BUILD.gn
copy to media/mojo/interfaces/BUILD.gn
index 41a9175b0f79e944834291c5eb41fcb68c7380e3..c306cd5585952a3fe5ca7b51e87e07d2edca5086 100644
--- a/mojo/public/interfaces/application/BUILD.gn
+++ b/media/mojo/interfaces/BUILD.gn
@@ -4,10 +4,10 @@
 
 import("//mojo/public/tools/bindings/mojom.gni")
 
-mojom("application") {
+# GYP version: media/media.gyp:mojo_media_bindings
+mojom("media") {
   sources = [
-    "application.mojom",
-    "service_provider.mojom",
-    "shell.mojom",
+    "media_types.mojom",
+    "media_renderer.mojom",
   ]
 }