[Autofill] Update the autocomplete types implementation to match the current HTML spec.

chrome/renderer/autofill/form_autofill_util.cc

 // Copyright (c) 2012 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 "chrome/renderer/autofill/form_autofill_util.h"
 
 #include <map>
 
 #include "base/logging.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 575 matching lines @@
 void WebFormControlElementToFormField(const WebFormControlElement& element,
                                       ExtractMask extract_mask,
                                       FormFieldData* field) {
   DCHECK(field);
   DCHECK(!element.isNull());
 
   // The label is not officially part of a WebFormControlElement; however, the
   // labels for all form control elements are scraped from the DOM and set in
   // WebFormElementToFormData.
   field->name = element.nameForAutofill();
-  field->form_control_type = element.formControlType();
-  field->autocomplete_type = element.getAttribute("x-autocompletetype");
-  TrimWhitespace(field->autocomplete_type, TRIM_ALL, &field->autocomplete_type);
-  if (field->autocomplete_type.size() > kMaxDataLength) {
+  field->form_control_type = UTF16ToUTF8(element.formControlType());
+  field->autocomplete_attribute =
+      UTF16ToUTF8(element.getAttribute("autocomplete"));
+  if (field->autocomplete_attribute.size() > kMaxDataLength) {
     // Discard overly long attribute values to avoid DOS-ing the browser
     // process.  However, send over a default string to indicate that the
     // attribute was present.
-    field->autocomplete_type = ASCIIToUTF16("x-max-data-length-exceeded");
+    field->autocomplete_attribute = "x-max-data-length-exceeded";
   }
 
   if (!IsAutofillableElement(element))
     return;
 
   const WebInputElement* input_element = toWebInputElement(&element);
   if (IsTextInput(input_element)) {
     field->max_length = input_element->maxLength();
     field->is_autofilled = input_element->isAutofilled();
     field->is_focusable = input_element->isFocusable();
@@ skipping 280 matching lines @@
       continue;
 
     if (input_element->isAutofilled())
       return true;
   }
 
   return false;
 }
 
 }  // namespace autofill