Mojo JS bindings: switch all mojo/ layout tests to use the new mode.

mojo/public/js/new_bindings/validator.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.
 
 (function() {
   var internal = mojo.internal;
 
   var validationError = {
     NONE: 'VALIDATION_ERROR_NONE',
     MISALIGNED_OBJECT: 'VALIDATION_ERROR_MISALIGNED_OBJECT',
@@ skipping 16 matching lines @@
     INVALID_UNION_SIZE: 'VALIDATION_ERROR_INVALID_UNION_SIZE',
     UNEXPECTED_NULL_UNION: 'VALIDATION_ERROR_UNEXPECTED_NULL_UNION',
     UNKNOWN_ENUM_VALUE: 'VALIDATION_ERROR_UNKNOWN_ENUM_VALUE',
   };
 
   var NULL_MOJO_POINTER = "NULL_MOJO_POINTER";
   var gValidationErrorObserver = null;
 
   function reportValidationError(error) {
     if (gValidationErrorObserver) {
-      gValidationErrorObserver.setLastError(error);
+      gValidationErrorObserver.lastError = error;
+    } else {
+      console.warn('Invalid message: ' + error);
     }
   }
 
   var ValidationErrorObserverForTesting = (function() {
     function Observer() {
       this.lastError = validationError.NONE;
-      this.callback = null;
     }
 
-    Observer.prototype.setLastError = function(error) {
-      this.lastError = error;
-      if (this.callback) {
-        this.callback(error);
-      }
-    };
-
-    Observer.prototype.reset = function(error) {
+    Observer.prototype.reset = function() {
       this.lastError = validationError.NONE;
-      this.callback = null;
     };
 
     return {
       getInstance: function() {
         if (!gValidationErrorObserver) {
           gValidationErrorObserver = new Observer();
         }
         return gValidationErrorObserver;
       }
     };
@@ skipping 609 matching lines @@
   };
 
   internal.validationError = validationError;
   internal.Validator = Validator;
   internal.ValidationErrorObserverForTesting =
       ValidationErrorObserverForTesting;
   internal.reportValidationError = reportValidationError;
   internal.isTestingMode = isTestingMode;
   internal.clearTestingMode = clearTestingMode;
 })();