[autofill] Expand CVC heuristic patterns.

BUG=797353
R=sebsg@chromium.org

Change-Id: Ibbf0db72bc76f4c08bd85b84616d0a27874a203c
Reviewed-on: https://chromium-review.googlesource.com/842951
Commit-Queue: Roger McFarlane <rogerm@chromium.org>
Commit-Queue: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#526075}

components/autofill/core/common/autofill_regex_constants.cc

@@ -146,6 +146,7 @@ const char kCardNumberRe[] =
     "|카드";                    // ko-KR
 const char kCardCvcRe[] =
     "verification|card.?identification|security.?code|card.?code"
+    "|security.?value"
     "|security.?number|card.?pin|c-v-v"
     "|(cvn|cvv|cvc|csc|cvd|cid|ccv)(field)?"
     "|\\bcid\\b";

components/test/data/autofill/heuristics/output/148_payment_dickblick.com.out

+UNKNOWN_TYPE | unbxd_q | enter keyword or item number... | enter keyword or item number... | unbxd_q_1-default
+UNKNOWN_TYPE | CouponCode | Enter Your Gift Card or Coupon Number: |  | unbxd_q_1-default
+UNKNOWN_TYPE | CouponPin | Enter Your Gift Card Pin Number: |  | unbxd_q_1-default
+UNKNOWN_TYPE | paymentMethod | Credit Card | CreditCard | paymentMethod_1-default
+CREDIT_CARD_NUMBER | CreditCardNumber | Credit Card Number: |  | paymentMethod_1-cc
+CREDIT_CARD_NAME_FULL | CreditCardHolderName | Name on Card: |  | paymentMethod_1-cc
+CREDIT_CARD_EXP_MONTH | CreditCardMonth | Month: | 01 | paymentMethod_1-cc
+CREDIT_CARD_EXP_4_DIGIT_YEAR | CreditCardYear | Year: | 2017 | paymentMethod_1-cc
+CREDIT_CARD_VERIFICATION_CODE | CreditCardSecurityValue | Card Security Value: |  | paymentMethod_1-cc
+UNKNOWN_TYPE | paymentMethod | PayPal | PayPal | paymentMethod_1-default
+UNKNOWN_TYPE | paymentMethod | Check or Money Order | CheckOrMoneyOrder | paymentMethod_1-default
+UNKNOWN_TYPE | UseShippingAddressAsBillingAddress | My billing address is the same as my shipping address | true | paymentMethod_1-default
+NAME_FIRST | BillingAddressFirstName | First Name: |  | paymentMethod_1-default
+NAME_LAST | BillingAddressLastName | Last Name: |  | paymentMethod_1-default
+COMPANY_NAME | BillingAddressCompanyName | School or Company Name: |  | paymentMethod_1-default
+ADDRESS_HOME_LINE1 | BillingAddressStreetLine1 | Street Address: |  | paymentMethod_1-default
+ADDRESS_HOME_LINE2 | BillingAddressSuiteNumber | Apt/Suite: |  | paymentMethod_1-default
+ADDRESS_HOME_LINE3 | BillingAddressStreetLine2 | Street Address Line 2 (optional): |  | paymentMethod_1-default
+ADDRESS_HOME_CITY | BillingAddressCity | City: |  | paymentMethod_1-default
+ADDRESS_HOME_STATE | BillingAddressState | State: | 0 | paymentMethod_1-default
+UNKNOWN_TYPE | BillingAddressNotUsState | State/Province: |  | paymentMethod_1-default
+ADDRESS_HOME_ZIP | BillingAddressZipCode | Zip Code: |  | paymentMethod_1-default
+ADDRESS_HOME_ZIP | BillingAddressPostalCode | Postal Code: |  | paymentMethod_1-default
+ADDRESS_HOME_COUNTRY | BillingAddressCountry | Country: | 0 | paymentMethod_1-default
+PHONE_HOME_WHOLE_NUMBER | ContactDaytimePhoneNumber | Daytime Telephone: |  | paymentMethod_1-default
+PHONE_HOME_WHOLE_NUMBER | ContactEveningPhoneNumber | Evening Telephone: |  | paymentMethod_1-default
+EMAIL_ADDRESS | ContactEmailAddress | Email Address: |  | paymentMethod_1-default
+UNKNOWN_TYPE | SendEmailSpecialSalesBlickWebSite | I want to receive emails about special sales and promotions on Blick's website. | true | paymentMethod_1-default
+UNKNOWN_TYPE | SendEmailSpecialSalesBlickRetailStores | I want to receive emails about special sales and promotions at Blick's retail stores. | true | paymentMethod_1-default
+UNKNOWN_TYPE | SendCatalogsAndFlyers | Please mail me catalogs and flyers. | true | paymentMethod_1-default
+UNKNOWN_TYPE | ShareMailingAddress | Allow my mailing address to be shared. | true | paymentMethod_1-default