Autofill: Set requirements for number of recognized fields in an autofillable form

components/autofill/core/browser/form_structure.cc

 // Copyright 2013 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 "components/autofill/core/browser/form_structure.h"
 
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
@@ skipping 335 matching lines @@
 }  // namespace
 
 FormStructure::FormStructure(const FormData& form)
     : form_name_(form.name),
       source_url_(form.origin),
       target_url_(form.action),
       autofill_count_(0),
       active_field_count_(0),
       upload_required_(USE_UPLOAD_RATES),
       has_author_specified_types_(false),
-      has_password_field_(false) {
+      has_password_field_(false),
+      is_form_tag_(form.is_form_tag) {
   // Copy the form fields.
   std::map<base::string16, size_t> unique_names;
   for (std::vector<FormFieldData>::const_iterator field =
            form.fields.begin();
        field != form.fields.end(); ++field) {
     if (!ShouldSkipField(*field)) {
       // Add all supported form fields (including with empty names) to the
       // signature.  This is a requirement for Autofill servers.
       form_signature_field_names_.append("&");
       form_signature_field_names_.append(StripDigitsIfRequired(field->name));
@@ skipping 23 matching lines @@
   // First, try to detect field types based on each field's |autocomplete|
   // attribute value.  If there is at least one form field that specifies an
   // autocomplete type hint, don't try to apply other heuristics to match fields
   // in this form.
   bool has_author_specified_sections;
   ParseFieldTypesFromAutocompleteAttributes(&has_author_specified_types_,
                                             &has_author_specified_sections);
 
   if (!has_author_specified_types_) {
     ServerFieldTypeMap field_type_map;
-    FormField::ParseFormFields(fields_.get(), &field_type_map);
+    FormField::ParseFormFields(fields_.get(), is_form_tag_, &field_type_map);
     for (size_t i = 0; i < field_count(); ++i) {
       AutofillField* field = fields_[i];
       ServerFieldTypeMap::iterator iter =
           field_type_map.find(field->unique_name());
       if (iter != field_type_map.end())
         field->set_heuristic_type(iter->second);
     }
   }
 
   UpdateAutofillCount();
@@ skipping 834 matching lines @@
   for (AutofillField* field : fields_) {
     FieldTypeGroup field_type_group = field->Type().group();
     if (field_type_group == CREDIT_CARD)
       field->set_section(field->section() + "-cc");
     else
       field->set_section(field->section() + "-default");
   }
 }
 
 }  // namespace autofill