[Payments] Cache payment manifests.

components/payments/content/android/java/src/org/chromium/components/payments/PaymentManifestDownloader.java

Index: components/payments/content/android/java/src/org/chromium/components/payments/PaymentManifestDownloader.java
diff --git a/components/payments/content/android/java/src/org/chromium/components/payments/PaymentManifestDownloader.java b/components/payments/content/android/java/src/org/chromium/components/payments/PaymentManifestDownloader.java
deleted file mode 100644
index adcb3d2987786d5fe265333ca87307c723db54de..0000000000000000000000000000000000000000
--- a/components/payments/content/android/java/src/org/chromium/components/payments/PaymentManifestDownloader.java
+++ /dev/null
@@ -1,83 +0,0 @@
-// 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.
-
-package org.chromium.components.payments;
-
-import org.chromium.base.annotations.CalledByNative;
-import org.chromium.base.annotations.JNINamespace;
-import org.chromium.content_public.browser.WebContents;
-
-import java.net.URI;
-
-/**
- * See comment in:
- * components/payments/content/android/payment_manifest_downloader.h
- */
-@JNINamespace("payments")
-public class PaymentManifestDownloader {
-    /** Interface for the callback to invoke when finished downloading. */
-    public interface ManifestDownloadCallback {
-        /**
-         * Called on successful download of a payment method manifest.
-         *
-         * @param content The successfully downloaded payment method manifest.
-         */
-        @CalledByNative("ManifestDownloadCallback")
-        void onPaymentMethodManifestDownloadSuccess(String content);
-
-        /**
-         * Called on successful download of a web app manifest.
-         *
-         * @param content The successfully downloaded web app manifest.
-         */
-        @CalledByNative("ManifestDownloadCallback")
-        void onWebAppManifestDownloadSuccess(String content);
-
-        /** Called on failed download. */
-        @CalledByNative("ManifestDownloadCallback")
-        void onManifestDownloadFailure();
-    }
-
-    private final WebContents mWebContents;
-
-    /**
-     * Builds the downloader.
-     *
-     * @param webContents The web contents to use as the context for the download. If this goes
-     *                    away, the download is cancelled.
-     */
-    public PaymentManifestDownloader(WebContents webContents) {
-        mWebContents = webContents;
-    }
-
-    /**
-     * Downloads the payment method manifest file asynchronously.
-     *
-     * @param methodName The payment method name that is a URI with HTTPS scheme.
-     * @param callback   The callback to invoke when finished downloading.
-     */
-    public void downloadPaymentMethodManifest(URI methodName, ManifestDownloadCallback callback) {
-        nativeDownloadPaymentMethodManifest(mWebContents, methodName, callback);
-    }
-
-    /**
-     * Downloads the web app manifest file asynchronously.
-     *
-     * @param webAppmanifestUri The web app manifest URI with HTTPS scheme.
-     * @param callback          The callback to invoke when finished downloading.
-     */
-    public void downloadWebAppManifest(URI webAppManifestUri, ManifestDownloadCallback callback) {
-        nativeDownloadWebAppManifest(mWebContents, webAppManifestUri, callback);
-    }
-
-    @CalledByNative
-    private static String getUriString(URI methodName) {
-        return methodName.toString();
-    }
-
-    private static native void nativeDownloadPaymentMethodManifest(
-            WebContents webContents, URI methodName, ManifestDownloadCallback callback);
-    private static native void nativeDownloadWebAppManifest(
-            WebContents webContents, URI webAppManifestUri, ManifestDownloadCallback callback);
-}