Add JS bindings validation logic for non-nullable types

mojo/public/js/bindings/validation_unittests.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([
     "console",
     "file",
     "gin/test/expect",
     "mojo/public/interfaces/bindings/tests/validation_test_interfaces.mojom",
     "mojo/public/js/bindings/buffer",
@@ skipping 190 matching lines @@
     expect(testFiles.length).toBeGreaterThan(0);
 
     var noError = validator.validationError.NONE;
     for (var i = 0; i < testFiles.length; i++) {
       // TODO(hansmuller): Temporarily skipping array pointer overflow tests.
       if (testFiles[i].indexOf("overflow") != -1) {
         console.log("[Skipping " + testFiles[i] + "]");
         continue;
       }
 
-      // TODO(hansmuller): Temporarily skipping array unexpected null tests.
-      if (testFiles[i].indexOf("unexpected_null") != -1 ||
-          testFiles[i].indexOf("unexpected_invalid") != -1) {
-        console.log("[Skipping " + testFiles[i] + "]");
-        continue;
-      }
-
       var testMessage = readTestMessage(testFiles[i]);
       var handles = new Array(testMessage.handleCount);
       var message = new codec.Message(testMessage.buffer, handles);
       var messageValidator = new validator.Validator(message);
 
       var err = messageValidator.validateMessageHeader();
       for (var j = 0; err === noError && j < filters.length; ++j)
         err = filters[j](messageValidator);
 
       var actualResult = (err === noError) ? "PASS" : err;
@@ skipping 15 matching lines @@
       testInterface.validateIntegrationTestInterface1Request,
       testInterface.validateIntegrationTestInterface2Response
     ]);
   }
 
   testConformanceMessageValidation();
   testIntegrationMessageValidation();
   expect(checkTestMessageParser()).toBeNull();
   this.result = "PASS";
 });