Media Galleries Partial Deprecation: Remove scan functionality.

chrome/renderer/resources/extensions/media_galleries_custom_bindings.js

 // Copyright (c) 2012 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.
 
 // Custom binding for the Media Gallery API.
 
 var binding = require('binding').Binding.create('mediaGalleries');
 var blobNatives = requireNative('blob_natives');
 var mediaGalleriesNatives = requireNative('mediaGalleries');
 
@@ skipping 12 matching lines @@
       delete metadata.fsid;
       mediaGalleriesMetadata[filesystem.name] = metadata;
     }
   }
   return result;
 }
 
 binding.registerCustomHook(function(bindingsAPI, extensionId) {
   var apiFunctions = bindingsAPI.apiFunctions;
 
-  // getMediaFileSystems, addUserSelectedFolder, and addScanResults use a
-  // custom callback so that they can instantiate and return an array of file
-  // system objects.
+  // getMediaFileSystems and addUserSelectedFolder use a custom callback so that
+  // they can instantiate and return an array of file system objects.
   apiFunctions.setCustomCallback('getMediaFileSystems',
                                  function(name, request, callback, response) {
     var result = createFileSystemObjectsAndUpdateMetadata(response);
     if (callback)
       callback(result);
   });
 
-  apiFunctions.setCustomCallback('addScanResults',
-      function(name, request, callback, response) {
-    var result = createFileSystemObjectsAndUpdateMetadata(response);
-    if (callback)
-      callback(result);
-  });
-
   apiFunctions.setCustomCallback('addUserSelectedFolder',
       function(name, request, callback, response) {
     var fileSystems = [];
     var selectedFileSystemName = "";
     if (response && 'mediaFileSystems' in response &&
         'selectedFileSystemIndex' in response) {
       fileSystems = createFileSystemObjectsAndUpdateMetadata(
           response['mediaFileSystems']);
       var selectedFileSystemIndex = response['selectedFileSystemIndex'];
       if (selectedFileSystemIndex >= 0) {
@@ skipping 60 matching lines @@
       callback(response ? response.metadata : null);
 
     // The UUID was in position 0 in the setUpdateArgumentsPostValidate
     // function.
     var uuid = request.args[0];
     delete blobsAwaitingMetadata[uuid];
   });
 });
 
 exports.binding = binding.generate();