Add support for byte arrays to native messages

runtime/vm/snapshot.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/snapshot.h"
 
 #include "platform/assert.h"
 #include "vm/bootstrap.h"
 #include "vm/exceptions.h"
 #include "vm/heap.h"
@@ skipping 558 matching lines @@
       WriteObjectHeader(ObjectStore::kArrayClass, 0);
       WriteSmi(object->value.as_array.length);
       // Write out the type arguments.
       WriteIndexedObject(Object::kNullObject);
       // Write out array elements.
       for (int i = 0; i < object->value.as_array.length; i++) {
         WriteCObject(object->value.as_array.values[i]);
       }
       break;
     }
+    case Dart_CObject::kByteArray: {
+      // Write out the serialization header value for this object.
+      WriteInlinedHeader(object);
+      // Write out the class and tags information.
+      WriteObjectHeader(ObjectStore::kInternalByteArrayClass, 0);
+      uint8_t* bytes = object->value.as_byte_array.values;
+      intptr_t len = object->value.as_byte_array.length;
+      WriteSmi(len);
+      for (intptr_t i = 0; i < len; i++) {
+        Write<uint8_t>(bytes[i]);
+      }
+      break;
+    }
     default:
       UNREACHABLE();
   }
 }
 
 
 void MessageWriter::WriteCMessage(Dart_CObject* object) {
   WriteCObject(object);
   UnmarkAllCObjects(object);
   FinalizeBuffer();
@@ skipping 203 matching lines @@
 
 
 void SnapshotWriterVisitor::VisitPointers(RawObject** first, RawObject** last) {
   for (RawObject** current = first; current <= last; current++) {
     RawObject* raw_obj = *current;
     writer_->WriteObject(raw_obj);
   }
 }
 
 }  // namespace dart