Validate incoming JS Message Headers: test message parser

mojo/apps/js/test/js_to_cpp_unittest.js

 // Copyright 2014 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.
 
 define('mojo/apps/js/test/js_to_cpp_unittest', [
   'console',
   'mojo/apps/js/test/js_to_cpp.mojom',
   'mojo/public/js/bindings/connection',
   'mojo/public/js/bindings/connector',
   'mojo/public/js/bindings/core',
@@ skipping 80 matching lines @@
     var proto = connector.Connector.prototype;
     var stopSignalled = false;
 
     proto.realAccept = proto.accept;
     proto.accept = function (message) {
       var offset = iteration / 8;
       var mask;
       var value;
       if (offset < message.buffer.arrayBuffer.byteLength) {
         mask = 1 << (iteration % 8);
-        value = message.buffer.dataView.getUint8(offset) ^ mask;
-        message.buffer.dataView.setUint8(offset, value);
+        value = message.buffer.getUint8(offset) ^ mask;
+        message.buffer.setUint8(offset, value);
         return this.realAccept(message);
       }
       stopSignalled = true;
       return false;
     };
 
     while (!stopSignalled) {
       dataPipe = core.createDataPipe(DATA_PIPE_PARAMS);
       messagePipe = core.createMessagePipe();
       writeDataPipe(dataPipe, sampleData);
@@ skipping 98 matching lines @@
       sampleData[i] = i;
     }
     sampleMessage = new Uint8Array(DATA_PIPE_PARAMS.capacityNumBytes);
     for (i = 0; i < sampleMessage.length; ++i) {
       sampleMessage[i] = 255 - i;
     }
     retainedConnection = new connection.Connection(handle, JsSideConnection,
                                                    jsToCpp.CppSideProxy);
   };
 });