Revert "Rename experimental.accessibility to accessibilityPrivate"

chrome/common/extensions/permissions/permission_set_unittest.cc

 // 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.
 
 #include "base/command_line.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/chrome_paths.h"
@@ skipping 689 matching lines @@
   skip.insert(APIPermission::kMediaGalleries);
 
   // If you've turned on the experimental command-line flag, we don't need
   // to warn you further.
   skip.insert(APIPermission::kExperimental);
 
   // The Identity API has its own server-driven permission prompts.
   skip.insert(APIPermission::kIdentity);
 
   // These are private.
-  skip.insert(APIPermission::kAccessibilityPrivate);
   skip.insert(APIPermission::kAutoTestPrivate);
   skip.insert(APIPermission::kBookmarkManagerPrivate);
   skip.insert(APIPermission::kBrailleDisplayPrivate);
   skip.insert(APIPermission::kCast);
   skip.insert(APIPermission::kCastStreaming);
   skip.insert(APIPermission::kChromeosInfoPrivate);
   skip.insert(APIPermission::kCloudPrintPrivate);
   skip.insert(APIPermission::kCommandLinePrivate);
   skip.insert(APIPermission::kDeveloperPrivate);
   skip.insert(APIPermission::kDial);
@@ skipping 844 matching lines @@
   scoped_refptr<const PermissionSet> permissions_dwr(
       extension_dwr->GetActivePermissions());
 
   EXPECT_FALSE(PermissionMessageProvider::Get()->
                    IsPrivilegeIncrease(permissions.get(),
                                        permissions_dwr.get(),
                                        extension->GetType()));
 }
 
 }  // namespace extensions