Convert SiteSettingsCategory to use the HostContentSettingsMap instead of

chrome/browser/resources/settings/site_settings/site_settings_prefs_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.
+
+/**
+ * @fileoverview A helper object used from the "Site Settings" section to
+ * interact with the content settings prefs.
+ */
+
+cr.define('settings', function() {
+  /** @constructor */
+  function SiteSettingsPrefsBrowserProxy() {};
+
+  // The singleton instance_ is replaced with a test version of this wrapper
+  // during testing.
+  cr.addSingletonGetter(SiteSettingsPrefsBrowserProxy);
+
+  SiteSettingsPrefsBrowserProxy.prototype = {
+    /**
+     * Sets the default value for a site settings category.
+     * @param {number} contentType The category to change.
+     * @param {number} defaultValue The value to set as default.
+     */
+    setDefaultValueForContentType: function(contentType, defaultValue) {
+      chrome.send('setDefaultValueForContentType', [contentType, defaultValue]);
+    },
+
+    /**
+     * Gets the default value for a site settings category.
+     * @param {number} contentType The category to change.
+     * @return {Promise}
+     */
+    getDefaultValueForContentType: function(contentType) {
+      return cr.sendWithPromise('getDefaultValueForContentType', contentType);
+    },
+  };
+
+  return {
+    SiteSettingsPrefsBrowserProxy: SiteSettingsPrefsBrowserProxy,
+  };
+});