PaymentHandler: Implement requestPermission().

chrome/browser/payments/android/payment_handler_permission_infobar_delegate_android.h

Index: chrome/browser/payments/android/payment_handler_permission_infobar_delegate_android.h
diff --git a/chrome/browser/payments/android/payment_handler_permission_infobar_delegate_android.h b/chrome/browser/payments/android/payment_handler_permission_infobar_delegate_android.h
new file mode 100644
index 0000000000000000000000000000000000000000..5a62152a95d6be00b35ac0883033c646b7bddd2b
--- /dev/null
+++ b/chrome/browser/payments/android/payment_handler_permission_infobar_delegate_android.h
@@ -0,0 +1,38 @@
+// 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.
+
+#ifndef CHROME_BROWSER_PAYMENTS_ANDROID_PAYMENT_HANDLER_PERMISSION_INFOBAR_DELEGATE_ANDROID_H_
+#define CHROME_BROWSER_PAYMENTS_ANDROID_PAYMENT_HANDLER_PERMISSION_INFOBAR_DELEGATE_ANDROID_H_
+
+#include "base/macros.h"
+#include "chrome/browser/permissions/permission_infobar_delegate.h"
+
+class GURL;
+class Profile;
+
+namespace payments {
+
+class PaymentHandlerPermissionInfoBarDelegateAndroid
+    : public PermissionInfoBarDelegate {
+ public:
+  PaymentHandlerPermissionInfoBarDelegateAndroid(
+      const GURL& requesting_frame,
+      bool user_gesture,
+      Profile* profile,
+      const PermissionSetCallback& callback);
+
+ private:
+  ~PaymentHandlerPermissionInfoBarDelegateAndroid() override;
+
+  // PermissionInfoBarDelegate:
+  infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
+  int GetIconId() const override;
+  int GetMessageResourceId() const override;
+
+  DISALLOW_COPY_AND_ASSIGN(PaymentHandlerPermissionInfoBarDelegateAndroid);
+};
+
+}  // namespace payments
+
+#endif  // CHROME_BROWSER_PAYMENTS_ANDROID_PAYMENT_HANDLER_PERMISSION_INFOBAR_DELEGATE_ANDROID_H_