Autocomplete should work with nameless fields

webkit/glue/autofill_form.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef WEBKIT_GLUE_AUTOFILL_FORM_H_
 #define WEBKIT_GLUE_AUTOFILL_FORM_H_
 
 #include <string>
 #include <vector>
 
 namespace WebCore {
+  class HTMLInputElement;
   class HTMLFormElement;
 }
 
 // The AutofillForm struct represents a single HTML form together with the
 // values entered in the fields.
 
 class AutofillForm {
  public:
   // Struct for storing name/value pairs.
   struct Element {
     Element() {}
     Element(const std::wstring& in_name, const std::wstring& in_value) {
       name = in_name;
       value = in_value;
     }
     std::wstring name;
     std::wstring value;
   };
 
   static AutofillForm* CreateAutofillForm(WebCore::HTMLFormElement* form);
 
+  // Returns the name that should be used for the specified |element| when
+  // storing autofill data.  This is either the field name or its id, an empty
+  // string if it has no name and no id.
+  static std::wstring GetNameForInputElement(WebCore::HTMLInputElement*
+      element);
+
   // A vector of all the input fields in the form.
   std::vector<Element> elements;
 };
 
 #endif  // WEBKIT_GLUE_AUTOFILL_FORM_H_