Mojo interfaces needed for switching audio rendering stream creation and closing from IPC to Mojo

content/test/BUILD.gn

Index: content/test/BUILD.gn
diff --git a/content/test/BUILD.gn b/content/test/BUILD.gn
index d589deaca8975626163f662b60f68d5967259396..409b7c01a7bbdd9381e9da5240ce9060f63fc5a5 100644
--- a/content/test/BUILD.gn
+++ b/content/test/BUILD.gn
@@ -458,6 +458,8 @@ test("content_browsertests") {
     "//media:test_support",
     "//media/audio:test_support",
     "//media/base:test_support",
+    "//media/mojo/common",
+    "//media/mojo/interfaces",
     "//mojo/edk/system",
     "//mojo/edk/test:test_support",
     "//mojo/public/cpp/bindings",