Validate MessageHeader before using

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

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/public/cpp/bindings/message.h"
 
 #include <assert.h>
 #include <stdlib.h>
 
 #include <algorithm>
 
+#include "mojo/public/cpp/bindings/lib/message_header_validator.h"
+
 namespace mojo {
 
 Message::Message()
     : data_num_bytes_(0),
       data_(NULL) {
 }
 
 Message::~Message() {
   free(data_);
 
@@ skipping 44 matching lines @@
   rv = ReadMessageRaw(handle,
                       message.mutable_data(),
                       &num_bytes,
                       message.mutable_handles()->empty()
                           ? NULL
                           : reinterpret_cast<MojoHandle*>(
                                 &message.mutable_handles()->front()),
                       &num_handles,
                       MOJO_READ_MESSAGE_FLAG_NONE);
   if (receiver && rv == MOJO_RESULT_OK) {
-    bool result = receiver->Accept(&message);
-    if (receiver_result)
-      *receiver_result = result;
+    *receiver_result =
+        internal::MessageHeaderValidator(receiver).Accept(&message);
   }
 
   return rv;
 }
 
 }  // namespace mojo