Reland http://codereview.chromium.org/8477015

ppapi/tests/test_directory_reader.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
 #ifndef PAPPI_TESTS_TEST_DIRECTORY_READER_H_
 #define PAPPI_TESTS_TEST_DIRECTORY_READER_H_
 
 #include <string>
 
 #include "ppapi/tests/test_case.h"
 
 class TestDirectoryReader : public TestCase {
  public:
   explicit TestDirectoryReader(TestingInstance* instance)
       : TestCase(instance) {}
 
   // TestCase implementation.
   virtual bool Init();
-  virtual void RunTest();
+  virtual void RunTests(const std::string& filter);
 
  private:
   std::string TestGetNextFile();
 };
 
 #endif  // PAPPI_TESTS_TEST_DIRECTORY_READER_H_