android webview: Upstream android 7 glue layer

android_webview/glue/java/src/com/android/webview/chromium/ServiceWorkerControllerAdapter.java

+// 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.
+
+package com.android.webview.chromium;
+
+import android.webkit.ServiceWorkerClient;
+import android.webkit.ServiceWorkerController;
+import android.webkit.ServiceWorkerWebSettings;
+
+import org.chromium.android_webview.AwServiceWorkerController;
+
+/**
+ * Chromium implementation of ServiceWorkerController -- forwards calls to
+ * the chromium internal implementation.
+ */
+public class ServiceWorkerControllerAdapter extends ServiceWorkerController {
+
+    private AwServiceWorkerController mAwServiceWorkerController;
+
+    public ServiceWorkerControllerAdapter(AwServiceWorkerController controller) {
+        mAwServiceWorkerController = controller;
+    }
+
+    /**
+     * Sets the settings for all service workers.
+     */
+    @Override
+    public ServiceWorkerWebSettings getServiceWorkerWebSettings() {
+        return new ServiceWorkerSettingsAdapter(
+                mAwServiceWorkerController.getAwServiceWorkerSettings());
+    }
+
+    /**
+     * Sets the client to capture service worker related callbacks.
+     */
+    @Override
+    public void setServiceWorkerClient(ServiceWorkerClient client) {
+        mAwServiceWorkerController.setServiceWorkerClient(new ServiceWorkerClientAdapter(client));
+    }
+}