Site Settings Desktop: Implement media picker for camera/mic categories.

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.
  */
 
 /**
@@ skipping 16 matching lines @@
  *            notifications: Array<SiteException>}}
  */
 var ExceptionListPref;
 
 /**
  * @typedef {{defaults: CategoryDefaultsPref,
  *            exceptions: ExceptionListPref}}
  */
 var SiteSettingsPref;
 
+/**
+ * @typedef {{name: string,
+ *            id: string}}
+ */
+var MediaPickerEntry;
+
 cr.define('settings', function() {
   /** @interface */
   function 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.
      */
@@ skipping 35 matching lines @@
      */
     setCategoryPermissionForOrigin: function(
         primaryPattern, secondaryPattern, contentType, value) {},
 
     /**
      * Checks whether a pattern is valid.
      * @param {string} pattern The pattern to check
      * @return {!Promise<boolean>} True if the pattern is valid.
      */
     isPatternValid: function(pattern) {},
+
+    /**
+     * Gets the list of default capture devices for a given type of media. List
+     * is returned through a JS call to updateDevicesMenu.
+     * @param {string} type The type to look up.
+     */
+    getDefaultCaptureDevices: function(type) {},
+
+    /**
+     * Sets a default devices for a given type of media.
+     * @param {string} type The type of media to configure.
+     * @param {string} defaultValue The id of the media device to set.
+     */
+    setDefaultCaptureDevice: function(type, defaultValue) {},
   };
 
   /**
    * @constructor
    * @implements {SiteSettingsPrefsBrowserProxy}
    */
   function SiteSettingsPrefsBrowserProxyImpl() {}
 
   // The singleton instance_ is replaced with a test version of this wrapper
   // during testing.
@@ skipping 27 matching lines @@
         primaryPattern, secondaryPattern, contentType, value) {
       chrome.send('setCategoryPermissionForOrigin',
           [primaryPattern, secondaryPattern, contentType, value]);
     },
 
     /** @override */
     isPatternValid: function(pattern) {
       return cr.sendWithPromise('isPatternValid', pattern);
     },
 
+    /** @override */
+    getDefaultCaptureDevices: function(type) {
+      chrome.send('getDefaultCaptureDevices', [type]);
+    },
+
+    /** @override */
+    setDefaultCaptureDevice: function(type, defaultValue) {
+      chrome.send('setDefaultCaptureDevice', [type, defaultValue]);
+    },
   };
 
   return {
     SiteSettingsPrefsBrowserProxyImpl: SiteSettingsPrefsBrowserProxyImpl,
   };
 });