[Web Payments] Add Spinners and timeout while waiting for UpdateWith

components/payments/content/payment_request_state.cc

Index: components/payments/content/payment_request_state.cc
diff --git a/components/payments/content/payment_request_state.cc b/components/payments/content/payment_request_state.cc
index 959ee9415f0fe604f25554f29c4a7d7119cc7fed..5e8071d5ef360cec8effaac41bf2310600c1e55d 100644
--- a/components/payments/content/payment_request_state.cc
+++ b/components/payments/content/payment_request_state.cc
@@ -98,6 +98,8 @@ void PaymentRequestState::AddAutofillPaymentInstrument(
 
 void PaymentRequestState::SetSelectedShippingOption(
     const std::string& shipping_option_id) {
+  spec_->StartWaitingForUpdateWith(
+      PaymentRequestSpec::UpdateReason::SHIPPING_OPTION);
   // This will inform the merchant and will lead to them calling updateWith with
   // new PaymentDetails.
   delegate_->OnShippingOptionIdSelected(shipping_option_id);
@@ -105,6 +107,8 @@ void PaymentRequestState::SetSelectedShippingOption(
 
 void PaymentRequestState::SetSelectedShippingProfile(
     autofill::AutofillProfile* profile) {
+  spec_->StartWaitingForUpdateWith(
+      PaymentRequestSpec::UpdateReason::SHIPPING_ADDRESS);
   selected_shipping_profile_ = profile;
   UpdateIsReadyToPayAndNotifyObservers();
   delegate_->OnShippingAddressSelected(