PaymentHandler: Implement requestPermission().

chrome/browser/payments/payment_handler_permission_context.cc

Index: chrome/browser/payments/payment_handler_permission_context.cc
diff --git a/chrome/browser/payments/payment_handler_permission_context.cc b/chrome/browser/payments/payment_handler_permission_context.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3428568667416af1fc12b455b75d65eca5996e19
--- /dev/null
+++ b/chrome/browser/payments/payment_handler_permission_context.cc
@@ -0,0 +1,20 @@
+// 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 "chrome/browser/payments/payment_handler_permission_context.h"
+
+#include "components/content_settings/core/common/content_settings_types.h"
+#include "third_party/WebKit/public/platform/WebFeaturePolicyFeature.h"
+
+PaymentHandlerPermissionContext::PaymentHandlerPermissionContext(
+    Profile* profile)
+    : PermissionContextBase(profile,
+                            CONTENT_SETTINGS_TYPE_PAYMENT_HANDLER,
+                            blink::WebFeaturePolicyFeature::kNotFound) {}
+
+PaymentHandlerPermissionContext::~PaymentHandlerPermissionContext() {}
+
+bool PaymentHandlerPermissionContext::IsRestrictedToSecureOrigins() const {
+  return true;
+}