Mojo C++ bindings: Merge EncodePointers/DecodePointers into Serialize/Deserialize, respectively.

mojo/public/cpp/bindings/lib/serialization.h

Index: mojo/public/cpp/bindings/lib/serialization.h
diff --git a/mojo/public/cpp/bindings/lib/serialization.h b/mojo/public/cpp/bindings/lib/serialization.h
index fe2c16a9943eb4fc09fdb37aacaa4ab84b36b050..5274adf1a57f32667b5353a9bf3b2b2f188ba339 100644
--- a/mojo/public/cpp/bindings/lib/serialization.h
+++ b/mojo/public/cpp/bindings/lib/serialization.h
@@ -58,8 +58,6 @@ DataArrayType StructSerializeImpl(UserType* input) {
   typename MojomType::Struct::Data_* data = nullptr;
   Serialize<MojomType>(*input, &buffer, &data, &context);
 
-  data->EncodePointers();
-
   if (need_copy) {
     memcpy(&result.front(), result_buffer, size);
     free(result_buffer);
@@ -92,9 +90,6 @@ bool StructDeserializeImpl(DataArrayType input, UserType* output) {
   bool result = false;
   if (DataType::Validate(input_buffer, &validation_context)) {
     auto data = reinterpret_cast<DataType*>(input_buffer);
-    if (data)
-      data->DecodePointers();
-
     SerializationContext context;
     result = Deserialize<MojomType>(data, output, &context);
   }