MD Settings: create a shared handler/browser proxy to control extensions

chrome/browser/resources/settings/extension_control_browser_proxy.js

+// 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.
+
+cr.define('settings', function() {
+  /** @interface */
+  function ExtensionControlBrowserProxy() {}
+
+  ExtensionControlBrowserProxy.prototype = {
+    // TODO(dbeam): should be be returning !Promise<boolean> to indicate whether
+    // it succeeded?
+    /** @param {string} extensionId */
+    disableExtension: assertNotReached,
+
+    /** @param {string} extensionId */
+    manageExtension: assertNotReached,
+  };
+
+  /**
+   * @implements {settings.ExtensionControlBrowserProxy}
+   * @constructor
+   */
+  function ExtensionControlBrowserProxyImpl() {}
+  cr.addSingletonGetter(ExtensionControlBrowserProxyImpl);
+
+  ExtensionControlBrowserProxyImpl.prototype = {
+    /** @override */
+    disableExtension: function(extensionId) {
+      chrome.send('disableExtension', [extensionId]);
+    },
+
+    /** @override */
+    manageExtension: function(extensionId) {
+      window.open('chrome://extensions?id=' + extensionId);
+    },
+  };
+
+  return {
+    ExtensionControlBrowserProxy: ExtensionControlBrowserProxy,
+    ExtensionControlBrowserProxyImpl: ExtensionControlBrowserProxyImpl,
+  };
+});