Experiment to add bank name in autofill ui.

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index aa20d19c26515fc3eea870732d608bffee6ca69e..8530fca1aaeee52e56aca7522355652d03d7199d 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -2453,12 +2453,15 @@ const FeatureEntry kFeatureEntries[] = {
      FEATURE_WITH_PARAMS_VALUE_TYPE(
          autofill::kAutofillCreditCardPopupLayout,
          kAutofillCreditCardPopupLayoutFeatureVariations,
-         "AutofillCreditCardPopupLayout")},
+         // Must be AutofillCreditCardDropdownVariations to prevent DCHECK crash
+         // when the flag is manually enabled in a local build.
+         "AutofillCreditCardDropdownVariations")},
     {"native-android-history-manager",
      flag_descriptions::kNativeAndroidHistoryManager,
      flag_descriptions::kNativeAndroidHistoryManagerDescription, kOsAndroid,
      FEATURE_VALUE_TYPE(features::kNativeAndroidHistoryManager)},
 #endif  // OS_ANDROID
+
     {"enable-autofill-credit-card-last-used-date-display",
      flag_descriptions::kEnableAutofillCreditCardLastUsedDateDisplay,
      flag_descriptions::kEnableAutofillCreditCardLastUsedDateDisplayDescription,
@@ -2466,7 +2469,15 @@ const FeatureEntry kFeatureEntries[] = {
      FEATURE_WITH_PARAMS_VALUE_TYPE(
          autofill::kAutofillCreditCardLastUsedDateDisplay,
          kAutofillCreditCardLastUsedDateFeatureVariations,
-         "AutofillCreditCardLastUsedDate")},
+         // Must be AutofillCreditCardDropdownVariations to prevent DCHECK crash
+         // when the flag is manually enabled in a local build.
+         "AutofillCreditCardDropdownVariations")},
+
+    {"enable-autofill-credit-card-bank-name-display",
+     flag_descriptions::kEnableAutofillCreditCardBankNameDisplay,
+     flag_descriptions::kEnableAutofillCreditCardBankNameDisplayDescription,
+     kOsAll, FEATURE_VALUE_TYPE(autofill::kAutofillCreditCardBankNameDisplay)},
+
 #if defined(OS_WIN)
     {"windows10-custom-titlebar",
      flag_descriptions::kWindows10CustomTitlebarName,