Convert utility process ParseMediaMetadata IPC to mojo

chrome/common/extensions/BUILD.gn

Index: chrome/common/extensions/BUILD.gn
diff --git a/chrome/common/extensions/BUILD.gn b/chrome/common/extensions/BUILD.gn
index eb9fb9dbb1f67c95e2fb80374404d64540a00506..763ceb78e3fdf359048275b9d2373c2214e5c3e8 100644
--- a/chrome/common/extensions/BUILD.gn
+++ b/chrome/common/extensions/BUILD.gn
@@ -4,6 +4,7 @@
 
 import("//build/config/features.gni")
 import("//extensions/features/features.gni")
+import("//mojo/public/tools/bindings/mojom.gni")
 import("//tools/json_schema_compiler/json_features.gni")
 
 assert(enable_extensions)
@@ -21,3 +22,13 @@ group("test_features") {
     ":extension_features_unittest",
   ]
 }
+
+mojom("mojo_bindings") {
+  sources = [
+    "media_parser.mojom",
+  ]
+
+  public_deps = [
+    "//mojo/common:common_custom_types",
+  ]
+}