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

components/autofill/core/browser/phone_field.h

 // 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.
 
 #ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_PHONE_FIELD_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_PHONE_FIELD_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
@@ skipping 13 matching lines @@
 // - number
 class PhoneField : public FormField {
  public:
   ~PhoneField() override;
 
   static scoped_ptr<FormField> Parse(AutofillScanner* scanner);
 
  protected:
   // FormField:
   bool ClassifyField(ServerFieldTypeMap* map) const override;
+  size_t FieldCount() const override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(PhoneFieldTest, ParseOneLinePhone);
   FRIEND_TEST_ALL_PREFIXES(PhoneFieldTest, ParseTwoLinePhone);
   FRIEND_TEST_ALL_PREFIXES(PhoneFieldTest, ThreePartPhoneNumber);
   FRIEND_TEST_ALL_PREFIXES(PhoneFieldTest, ThreePartPhoneNumberPrefixSuffix);
   FRIEND_TEST_ALL_PREFIXES(PhoneFieldTest, ThreePartPhoneNumberPrefixSuffix2);
   FRIEND_TEST_ALL_PREFIXES(PhoneFieldTest, CountryAndCityAndPhoneNumber);
 
   // This is for easy description of the possible parsing paths of the phone
@@ skipping 41 matching lines @@
   // FIELD_PHONE is always present; holds suffix if prefix is present.
   // The rest could be NULL.
   AutofillField* parsed_phone_fields_[FIELD_MAX];
 
   DISALLOW_COPY_AND_ASSIGN(PhoneField);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_PHONE_FIELD_H_