Change the zone allocation api.

runtime/vm/native_message_handler.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/native_message_handler.h"
 
 #include "vm/dart_api_message.h"
 #include "vm/isolate.h"
 #include "vm/message.h"
 #include "vm/snapshot.h"
@@ skipping 15 matching lines @@
 }
 
 
 #if defined(DEBUG)
 void NativeMessageHandler::CheckAccess() {
   ASSERT(Isolate::Current() == NULL);
 }
 #endif
 
 
-static uint8_t* zone_allocator(
-    uint8_t* ptr, intptr_t old_size, intptr_t new_size) {
+static uint8_t* zone_allocator(uint8_t* ptr,
+                               intptr_t old_size,
+                               intptr_t new_size) {
   ApiZone* zone = ApiNativeScope::Current()->zone();
-  return reinterpret_cast<uint8_t*>(
-      zone->Reallocate(reinterpret_cast<uword>(ptr), old_size, new_size));
+  return zone->Realloc<uint8_t>(ptr, old_size, new_size);
 }
 
 
 bool NativeMessageHandler::HandleMessage(Message* message) {
   if (message->IsOOB()) {
     // We currently do not use OOB messages for native ports.
     UNREACHABLE();
   }
   // Enter a native scope for handling the message. This will create a
   // zone for allocating the objects for decoding the message.
   ApiNativeScope scope;
 
   int32_t length = reinterpret_cast<int32_t*>(
       message->data())[Snapshot::kLengthIndex];
   ApiMessageReader reader(message->data() + Snapshot::kHeaderSize,
                           length,
                           zone_allocator);
   Dart_CObject* object = reader.ReadMessage();
   (*func())(message->dest_port(), message->reply_port(), object);
   delete message;
   return true;
 }
 
 }  // namespace dart