Don't require expectations file for DumpAccessibility tests.

content/browser/accessibility/accessibility_tree_formatter_auralinux.cc

 // Copyright (c) 2015 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 "content/browser/accessibility/accessibility_tree_formatter.h"
 
 #include <atk/atk.h>
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 61 matching lines @@
   WriteAttribute(false, base::StringPrintf("id=%d", id_value), &line);
 
   return line + base::ASCIIToUTF16("\n");
 }
 
 void AccessibilityTreeFormatter::Initialize() {
 }
 
 // static
 const base::FilePath::StringType
-AccessibilityTreeFormatter::GetActualFileSuffix() {
-  return FILE_PATH_LITERAL("-actual-auralinux.txt");
-}
-
-// static
-const base::FilePath::StringType
 AccessibilityTreeFormatter::GetExpectedFileSuffix() {
   return FILE_PATH_LITERAL("-expected-auralinux.txt");
 }
 
 // static
 const std::string AccessibilityTreeFormatter::GetAllowEmptyString() {
   return "@AURALINUX-ALLOW-EMPTY:";
 }
 
 // static
 const std::string AccessibilityTreeFormatter::GetAllowString() {
   return "@AURALINUX-ALLOW:";
 }
 
 // static
 const std::string AccessibilityTreeFormatter::GetDenyString() {
   return "@AURALINUX-DENY:";
 }
 }