Autofill - fix for Lowes mobile checkout cc form

Recognize input type="password" for CVC field

BUG=429343

Review URL: https://codereview.chromium.org/694073002

Cr-Commit-Position: refs/heads/master@{#302467}

chrome/test/data/autofill/heuristics/output/22_checkout_m_lowes.com.out

-UNKNOWN_TYPE | paymentMethod |  |  | paymentMethod_1-default
-UNKNOWN_TYPE | cardNumber | Credit card number |  | paymentMethod_1-default
-UNKNOWN_TYPE | sCode | Security Code |  | paymentMethod_1-default
-UNKNOWN_TYPE | cardExpiryMonth |  |  | paymentMethod_1-default
-UNKNOWN_TYPE | cardExpiryYear |  |  | paymentMethod_1-default
+CREDIT_CARD_TYPE | paymentMethod |  |  | paymentMethod_1-cc
+CREDIT_CARD_NUMBER | cardNumber | Credit card number |  | paymentMethod_1-cc
+CREDIT_CARD_VERIFICATION_CODE | sCode | Security Code |  | paymentMethod_1-cc
+CREDIT_CARD_EXP_MONTH | cardExpiryMonth |  |  | paymentMethod_1-cc
+CREDIT_CARD_EXP_4_DIGIT_YEAR | cardExpiryYear |  |  | paymentMethod_1-cc

components/autofill/core/browser/credit_card_field.cc

@@ -75,7 +75,7 @@ FormField* CreditCardField::Parse(AutofillScanner* scanner) {
     if (!credit_card_field->verification_ &&
         ParseFieldSpecifics(scanner,
                             base::UTF8ToUTF16(autofill::kCardCvcRe),
-                            MATCH_DEFAULT | MATCH_TELEPHONE,
+                            MATCH_DEFAULT | MATCH_TELEPHONE | MATCH_PASSWORD,
                             &credit_card_field->verification_)) {
       continue;
     }

components/autofill/core/browser/form_field.cc

@@ -186,6 +186,9 @@ bool FormField::MatchesFormControlType(const std::string& type,
   if ((match_type & MATCH_TEXT_AREA) && type == "textarea")
     return true;
 
+  if ((match_type & MATCH_PASSWORD) && type == "password")
+    return true;
+
   return false;
 }
 

components/autofill/core/browser/form_field.h

@@ -44,9 +44,10 @@ class FormField {
     MATCH_TELEPHONE  = 1 << 5,
     MATCH_SELECT     = 1 << 6,
     MATCH_TEXT_AREA  = 1 << 7,
+    MATCH_PASSWORD   = 1 << 8,
     MATCH_ALL_INPUTS =
         MATCH_TEXT | MATCH_EMAIL | MATCH_TELEPHONE | MATCH_SELECT |
-        MATCH_TEXT_AREA,
+        MATCH_TEXT_AREA | MATCH_PASSWORD,
 
     // By default match label and name for input/text types.
     MATCH_DEFAULT    = MATCH_LABEL | MATCH_NAME | MATCH_VALUE | MATCH_TEXT,