Add support for more typed data types on native ports

runtime/bin/dartutils.cc

Index: runtime/bin/dartutils.cc
diff --git a/runtime/bin/dartutils.cc b/runtime/bin/dartutils.cc
index 7dd85348756a09a47eb1b78893eb0aad33f5a4be..7375c84a08cadcc1432d0a1c208e3c4dad2d179d 100644
--- a/runtime/bin/dartutils.cc
+++ b/runtime/bin/dartutils.cc
@@ -678,7 +678,8 @@ Dart_CObject* CObject::NewArray(int length) {
 
 
 Dart_CObject* CObject::NewUint8Array(int length) {
-  Dart_CObject* cobject = New(Dart_CObject::kUint8Array, length);
+  Dart_CObject* cobject = New(Dart_CObject::kByteArray, length);
+  cobject->value.as_byte_array.type = Dart_CObject::kUint8Array;
   cobject->value.as_byte_array.length = length;
   cobject->value.as_byte_array.values = reinterpret_cast<uint8_t*>(cobject + 1);
   return cobject;
@@ -688,7 +689,8 @@ Dart_CObject* CObject::NewUint8Array(int length) {
 Dart_CObject* CObject::NewExternalUint8Array(
     int64_t length, uint8_t* data, void* peer,
     Dart_WeakPersistentHandleFinalizer callback) {
-  Dart_CObject* cobject = New(Dart_CObject::kExternalUint8Array);
+  Dart_CObject* cobject = New(Dart_CObject::kExternalByteArray);
+  cobject->value.as_external_byte_array.type = Dart_CObject::kUint8Array;
   cobject->value.as_external_byte_array.length = length;
   cobject->value.as_external_byte_array.data = data;
   cobject->value.as_external_byte_array.peer = peer;
@@ -704,7 +706,7 @@ Dart_CObject* CObject::NewIOBuffer(int64_t length) {
 
 
 void CObject::FreeIOBufferData(Dart_CObject* cobject) {
-  ASSERT(cobject->type == Dart_CObject::kExternalUint8Array);
+  ASSERT(cobject->type == Dart_CObject::kExternalByteArray);
   cobject->value.as_external_byte_array.callback(
       NULL, cobject->value.as_external_byte_array.peer);
   cobject->value.as_external_byte_array.data = NULL;