Mojo C++ bindings: support passing associated interface pointers/requests in method parameter lists…

mojo/public/cpp/bindings/lib/bindings_serialization.cc

Index: mojo/public/cpp/bindings/lib/bindings_serialization.cc
diff --git a/mojo/public/cpp/bindings/lib/bindings_serialization.cc b/mojo/public/cpp/bindings/lib/bindings_serialization.cc
index 791afe20278607a8f0752565b4141d8911510002..22733c263311265878e3a3ca7a6fcaef217f9c3c 100644
--- a/mojo/public/cpp/bindings/lib/bindings_serialization.cc
+++ b/mojo/public/cpp/bindings/lib/bindings_serialization.cc
@@ -86,5 +86,13 @@ void DecodeHandle(MojoHandle* handle, std::vector<Handle>* handles) {
   DecodeHandle(reinterpret_cast<Handle*>(handle), handles);
 }
 
+SerializationContext::SerializationContext() {}
+
+SerializationContext::SerializationContext(
+    scoped_refptr<MultiplexRouter> in_router)
+    : router(in_router.Pass()) {}
+
+SerializationContext::~SerializationContext() {}
+
 }  // namespace internal
 }  // namespace mojo