Convert input-type-text.html with spellcheck_test

third_party/WebKit/LayoutTests/editing/spelling/spellcheck_test.js

 // Copyright 2016 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.
 
 'use strict';
 
 // This file provides
 // |spellcheck_test(sample, tester, expectedText, opt_title)| asynchronous test
 // to W3C test harness for easier writing of spellchecker test cases.
 //
@@ skipping 190 matching lines @@
    * @private
    * @param {!HTMLElement} element
    */
   handleElementNode(element) {
     /** @type {string} */
     const tagName = element.tagName.toLowerCase();
     this.emit(`<${tagName}`);
     Array.from(element.attributes)
         .sort((attr1, attr2) => attr1.name.localeCompare(attr2.name))
         .forEach(attr => {
+          // Text form control elements' values need special handling.
+          if (isHTMLInputElement(element) || isHTMLTextAreaElement(element)) {

[yosin_UTC9, 2016/10/27 01:44:46]

nit: Please omit |isHTMLTextAreaElement()| since TEXTAREA doesn't have attribute
"value".

+            if (attr.name === 'value')
+              return;
+          }
           if (attr.value === '')
             return this.emit(` ${attr.name}`);
           const value = attr.value.replace(/&/g, '&')
                             .replace(/\u0022/g, '"')
                             .replace(/\u0027/g, ''');
           this.emit(` ${attr.name}="${value}"`);
         });
     if (isHTMLInputElement(element) && element.value)
       this.handleInputNode(element);
     this.emit('>');
@@ skipping 202 matching lines @@
         expectedText: expectedText, args: args});
     return;
   }
 
   invokeSpellcheckTest(input, tester, expectedText, args);
 }
 
 // Export symbols
 window.spellcheck_test = spellcheckTest;
 })();