[Payments] Implement web payment app manifest

third_party/WebKit/Source/modules/payments/PaymentInstruments.cpp

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/payments/PaymentInstruments.h"
 
 #include <utility>
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/V8BindingForCore.h"
 #include "core/dom/DOMException.h"
+#include "core/inspector/ConsoleMessage.h"
 #include "modules/payments/PaymentInstrument.h"
 #include "modules/payments/PaymentManager.h"
 #include "platform/wtf/Vector.h"
 
 namespace blink {
 namespace {
 
 static const char kPaymentManagerUnavailable[] = "Payment manager unavailable";
 
 bool rejectError(ScriptPromiseResolver* resolver,
@@ skipping 15 matching lines @@
       return true;
     case payments::mojom::blink::PaymentHandlerStatus::STORAGE_OPERATION_FAILED:
       resolver->Reject(DOMException::Create(kInvalidStateError,
                                             "Storage operation is failed"));
       return true;
     case payments::mojom::blink::PaymentHandlerStatus::
         FETCH_INSTRUMENT_ICON_FAILED:
       resolver->Reject(DOMException::Create(
           kNotFoundError, "Fetch or decode instrument icon failed"));
       return true;
+    case payments::mojom::blink::PaymentHandlerStatus::
+        FETCH_PAYMENT_APP_INFO_FAILED:
+      // FETCH_PAYMENT_APP_INFO_FAILED indicates everything works well except
+      // fetching payment handler's name and/or icon from its web app manifest.
+      // The origin or name will be used to label this payment handler in
+      // UI in this case, so only show warnning message instead of reject the
+      // promise.
+      ExecutionContext* context =
+          ExecutionContext::From(resolver->GetScriptState());
+      context->AddConsoleMessage(ConsoleMessage::Create(
+          kJSMessageSource, kWarningMessageLevel,
+          "Unable to fetch payment handler's name and icon from its web app "
+          "manifest. User may not recognize this payment handler in UI, "
+          "because it will be labeled only by its origin."));
+      return false;
   }
   NOTREACHED();
   return false;
 }
 
 }  // namespace
 
 PaymentInstruments::PaymentInstruments(
     const payments::mojom::blink::PaymentManagerPtr& manager)
     : manager_(manager) {}
@@ skipping 225 matching lines @@
 void PaymentInstruments::onClearPaymentInstruments(
     ScriptPromiseResolver* resolver,
     payments::mojom::blink::PaymentHandlerStatus status) {
   DCHECK(resolver);
   if (rejectError(resolver, status))
     return;
   resolver->Resolve();
 }
 
 }  // namespace blink