PaymentHandler: Rename PaymentAppManager to PaymentManager.

third_party/WebKit/Source/modules/payments/PaymentAppManager.idl

Index: third_party/WebKit/Source/modules/payments/PaymentAppManager.idl
diff --git a/third_party/WebKit/Source/modules/payments/PaymentAppManager.idl b/third_party/WebKit/Source/modules/payments/PaymentAppManager.idl
deleted file mode 100644
index d97c5b2072f3e3ac965f6e9b6020b886cf7c3bc3..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/modules/payments/PaymentAppManager.idl
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright 2016 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.
-
-// https://w3c.github.io/webpayments-payment-apps-api/#idl-def-paymentappmanager
-
-[
-    RuntimeEnabled=PaymentApp,
-    ConstructorCallWith=ExecutionContext,
-    DependentLifetime,
-] interface PaymentAppManager {
-    [CallWith=ScriptState] Promise<void> setManifest(PaymentAppManifest manifest);
-    [CallWith=ScriptState] Promise<PaymentAppManifest> getManifest();
-};