The build would run into building errors due to cannot find symbol.
gn clean and then build would solve the issue.

XXXX/chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentRequestImpl.java:309: error: cannot find symbol
        if (!hasAllPaymentItemFields(details.total)) {
                                            ^
  symbol:   variable total
  location: variable details of type PaymentDetails
XXXX/chrome/android/java/src/org/chromium/chrome/brows$r/payments/PaymentRequestImpl.java:314: error: cannot find symbol
        String totalCurrency = details.total.amount.currencyCode;
                                      ^
  symbol:   variable total
  location: variable details of type PaymentDetails
XXXX/chrome/android/java/src/org/chromium/chrome/brows$r/payments/PaymentRequestImpl.java:318: error: cannot find symbol
        if (!formatter.isValidAmountCurrencyCode(details.total.amount.currencyCode)) {
                                                        ^
  symbol:   variable total
  location: variable details of type PaymentDetails
XXXX/chrome/android/java/src/org/chromium/chrome/brows$r/payments/PaymentRequestImpl.java:323: error: cannot find symbol
        if (!formatter.isValidAmountValue(details.total.amount.value)
                                                 ^
  symbol:   variable total
  location: variable details of type PaymentDetails
XXXX/chrome/android/java/src/org/chromium/chrome/brows$r/payments/PaymentRequestImpl.java:324: error: cannot find symbol
                || details.total.amount.value.startsWith("-")) {
                          ^
  symbol:   variable total
  location: variable details of type PaymentDetails
XXXX/chrome/android/java/src/org/chromium/chrome/brows$r/payments/PaymentRequestImpl.java:330: error: cannot find symbol
                details.total.label, totalCurrency, formatter.format(details.total.amount.value));
                       ^
  symbol:   variable total
  location: variable details of type PaymentDetails
XXXX/chrome/android/java/src/org/chromium/chrome/brows$r/payments/PaymentRequestImpl.java:330: error: cannot find symbol
                details.total.label, totalCurrency, formatter.format(details.total.amount.value));
                                                                            ^
  symbol:   variable total
  location: variable details of type PaymentDetails
/usr/local/google/work/chromium/src/out/Default/../../chrome/android/java/src/org/chromium/chrome/brows$r/payments/PaymentRequestImpl.java:340: error: cannot find symbol
        mRawTotal = details.total;
                           ^
  symbol:   variable total
  location: variable details of type PaymentDetails
8 errors