change more OVERRIDE instances to override in gin/

gin/test/file_runner.h

 // Copyright 2013 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 GIN_TEST_FILE_RUNNER_H_
 #define GIN_TEST_FILE_RUNNER_H_
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "gin/modules/module_runner_delegate.h"
 #include "gin/runner.h"
 
 namespace gin {
 
 // FileRunnerDelegate is a simple RunnerDelegate that's useful for running
 // tests. The FileRunnerDelegate provides built-in modules for "console" and
 // "gtest" that are useful when writing unit tests.
 //
 // TODO(abarth): Rename FileRunnerDelegate to TestRunnerDelegate.
 class FileRunnerDelegate : public ModuleRunnerDelegate {
  public:
   FileRunnerDelegate();
   virtual ~FileRunnerDelegate();
 
  private:
   // From ModuleRunnerDelegate:
   virtual void UnhandledException(ShellRunner* runner,
-                                  TryCatch& try_catch) OVERRIDE;
+                                  TryCatch& try_catch) override;
 
   DISALLOW_COPY_AND_ASSIGN(FileRunnerDelegate);
 };
 
 void RunTestFromFile(const base::FilePath& path, FileRunnerDelegate* delegate,
                      bool run_until_idle = true);
 
 }  // namespace gin
 
 #endif  // GIN_TEST_FILE_RUNNER_H_