Password Manager should skip fields with credit card autocomplete attribute.

components/autofill/content/renderer/password_form_conversion_utils.h

Index: components/autofill/content/renderer/password_form_conversion_utils.h
diff --git a/components/autofill/content/renderer/password_form_conversion_utils.h b/components/autofill/content/renderer/password_form_conversion_utils.h
index 4c8cd645e46faf02ba49d6382a5e308e9aca5de0..0529ac2c3d421677075ec0d598e5ecfd8aaea12a 100644
--- a/components/autofill/content/renderer/password_form_conversion_utils.h
+++ b/components/autofill/content/renderer/password_form_conversion_utils.h
@@ -64,6 +64,10 @@ std::unique_ptr<PasswordForm> CreatePasswordFormFromUnownedInputElements(
 bool HasAutocompleteAttributeValue(const blink::WebInputElement& element,
                                    const char* value_in_lowercase);
 
+// Checks in a case-insensitive way if credit card autocomplete attributes for
+// the given |element| are present.
+bool HasCreditCardAutocompleteAttributes(const blink::WebInputElement& element);
+
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_FORM_CONVERSION_UTILS_H__