Add support for autofilling radio buttons and checkboxes.

chrome/browser/autofill/form_structure.h

 // Copyright (c) 2011 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 CHROME_BROWSER_AUTOFILL_FORM_STRUCTURE_H_
 #define CHROME_BROWSER_AUTOFILL_FORM_STRUCTURE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 109 matching lines @@
   // Fills |found_types| with |true| if the attribute is available and neither
   // empty nor set to the special values "on" or "off" for at least one field.
   // Fills |found_sections| with |true| if the attribute specifies a section for
   // at least one field.
   void ParseFieldTypesFromAutocompleteAttributes(bool* found_types,
                                                  bool* found_sections);
 
   const AutofillField* field(size_t index) const;
   AutofillField* field(size_t index);
   size_t field_count() const;
+  size_t checkable_field_count() const;
 
   // Returns the number of fields that are able to be autofilled.
   size_t autofill_count() const { return autofill_count_; }
 
   // Used for iterating over the fields.
   std::vector<AutofillField*>::const_iterator begin() const {
     return fields_.begin();
   }
   std::vector<AutofillField*>::const_iterator end() const {
     return fields_.end();
@@ skipping 45 matching lines @@
 
   // The target URL.
   GURL target_url_;
 
   // The number of fields able to be auto-filled.
   size_t autofill_count_;
 
   // A vector of all the input fields in the form.
   ScopedVector<AutofillField> fields_;
 
+  // The number of fields able to be checked.
+  size_t checkable_field_count_;
+
   // The names of the form input elements, that are part of the form signature.
   // The string starts with "&" and the names are also separated by the "&"
   // character. E.g.: "&form_input1_name&form_input2_name&...&form_inputN_name"
   std::string form_signature_field_names_;
 
   // Whether the server expects us to always upload, never upload, or default
   // to the stored upload rates.
   UploadRequired upload_required_;
 
   // The server experiment corresponding to the server types returned for this
   // form.
   std::string server_experiment_id_;
 
   // GET or POST.
   RequestMethod method_;
 
   // Whether the form includes any field types explicitly specified by the site
   // author, via the |autocompletetype| attribute.
   bool has_author_specified_types_;
 
   DISALLOW_COPY_AND_ASSIGN(FormStructure);
 };
 
 #endif  // CHROME_BROWSER_AUTOFILL_FORM_STRUCTURE_H_