Download web payment manifests.

chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentRequestImpl.java

Index: chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentRequestImpl.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentRequestImpl.java b/chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentRequestImpl.java
index 58d95b38c5a4961275e5f471aff7aaa9393b32c1..81dfcbfaff1d1835a2293b113991bc178b54ad8b 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentRequestImpl.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentRequestImpl.java
@@ -397,8 +397,8 @@ public class PaymentRequestImpl
 
         if (!parseAndValidateDetailsOrDisconnectFromClient(details)) return;
 
-        PaymentAppFactory.getInstance().create(
-                mWebContents, Collections.unmodifiableSet(mMethodData.keySet()), this);
+        PaymentAppFactory.getInstance().create(mWebContents,
+                Collections.unmodifiableSet(mMethodData.keySet()), this /* callback */);
 
         mRequestShipping = options != null && options.requestShipping;
         mRequestPayerName = options != null && options.requestPayerName;
@@ -625,6 +625,15 @@ public class PaymentRequestImpl
             }
         }
 
+        if (queryApps.isEmpty()) {
+            CanMakePaymentQuery query = sCanMakePaymentQueries.get(mSchemelessOriginForPaymentApp);
+            if (query != null && query.matchesPaymentMethods(mMethodData)) {
+                query.notifyObserversOfResponse(false);
+            }
+        }
+
+        if (disconnectIfNoPaymentMethodsSupported()) return;
+
         // Query instruments after mMerchantSupportsAutofillPaymentInstruments has been initialized,
         // so a fast response from a non-autofill payment app at the front of the app list does not
         // cause NOT_SUPPORTED payment rejection.
@@ -1376,7 +1385,9 @@ public class PaymentRequestImpl
         }
 
         CanMakePaymentQuery query = sCanMakePaymentQueries.get(mSchemelessOriginForPaymentApp);
-        if (query != null) query.notifyObserversOfResponse(mCanMakePayment);
+        if (query != null && query.matchesPaymentMethods(mMethodData)) {
+            query.notifyObserversOfResponse(mCanMakePayment);
+        }
 
         // The list of payment instruments is ready to display.
         List<PaymentInstrument> sortedInstruments = new ArrayList<>();
@@ -1402,15 +1413,14 @@ public class PaymentRequestImpl
      * @return True if no payment methods are supported
      */
     private boolean disconnectIfNoPaymentMethodsSupported() {
-        if (!isFinishedQueryingPaymentApps()) return false;
+        if (!isFinishedQueryingPaymentApps() || !mIsCurrentPaymentRequestShowing) return false;
 
         boolean foundPaymentMethods = mPaymentMethodsSection != null
                 && !mPaymentMethodsSection.isEmpty();
         boolean userCanAddCreditCard = mMerchantSupportsAutofillPaymentInstruments
                 && !ChromeFeatureList.isEnabled(ChromeFeatureList.NO_CREDIT_CARD_ABORT);
 
-        if (!mArePaymentMethodsSupported || (mIsCurrentPaymentRequestShowing && !foundPaymentMethods
-                                                    && !userCanAddCreditCard)) {
+        if (!mArePaymentMethodsSupported || (!foundPaymentMethods && !userCanAddCreditCard)) {
             // All payment apps have responded, but none of them have instruments. It's possible to
             // add credit cards, but the merchant does not support them either. The payment request
             // must be rejected.