Media Galleries Partial Deprecation: Remove scan functionality.

chrome/renderer/resources/extensions/media_galleries_custom_bindings.js

Index: chrome/renderer/resources/extensions/media_galleries_custom_bindings.js
diff --git a/chrome/renderer/resources/extensions/media_galleries_custom_bindings.js b/chrome/renderer/resources/extensions/media_galleries_custom_bindings.js
index 8050ed19ef75250b5c44e0b77994565ba0164d0c..277a222e9b60309eaa8db432023db862436eacaf 100644
--- a/chrome/renderer/resources/extensions/media_galleries_custom_bindings.js
+++ b/chrome/renderer/resources/extensions/media_galleries_custom_bindings.js
@@ -30,9 +30,8 @@ function createFileSystemObjectsAndUpdateMetadata(response) {
 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);
@@ -40,13 +39,6 @@ binding.registerCustomHook(function(bindingsAPI, extensionId) {
       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 = [];