Standardize usage of virtual/override/final in chrome/browser/media_galleries

chrome/browser/media_galleries/fileapi/picasa_file_util_unittest.cc

 // 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.
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/bind_helpers.h"
 #include "base/files/file_path.h"
@@ skipping 172 matching lines @@
 
 }  // namespace
 
 class TestPicasaFileUtil : public PicasaFileUtil {
  public:
   TestPicasaFileUtil(MediaPathFilter* media_path_filter,
                      PicasaDataProvider* data_provider)
       : PicasaFileUtil(media_path_filter),
         data_provider_(data_provider) {
   }
-  virtual ~TestPicasaFileUtil() {}
+  ~TestPicasaFileUtil() override {}
+
  private:
-  virtual PicasaDataProvider* GetDataProvider() override {
-    return data_provider_;
-  }
+  PicasaDataProvider* GetDataProvider() override { return data_provider_; }
 
   PicasaDataProvider* data_provider_;
 };
 
 class TestMediaFileSystemBackend : public MediaFileSystemBackend {
  public:
   TestMediaFileSystemBackend(const base::FilePath& profile_path,
                              PicasaFileUtil* picasa_file_util)
       : MediaFileSystemBackend(profile_path,
                                MediaFileSystemBackend::MediaTaskRunner().get()),
         test_file_util_(picasa_file_util) {}
 
-  virtual storage::AsyncFileUtil* GetAsyncFileUtil(
+  storage::AsyncFileUtil* GetAsyncFileUtil(
       storage::FileSystemType type) override {
     if (type != storage::kFileSystemTypePicasa)
       return NULL;
 
     return test_file_util_.get();
   }
 
  private:
   scoped_ptr<storage::AsyncFileUtil> test_file_util_;
 };
@@ skipping 371 matching lines @@
   operation_runner()->CreateSnapshotFile(
       CreateURL(std::string(kPicasaDirAlbums) +
                 "/albumname 2013-04-16/mapped_name.jpg"),
       snapshot_callback);
   loop.Run();
   EXPECT_EQ(base::File::FILE_OK, error);
   EXPECT_EQ(image_path, platform_path_result);
 }
 
 }  // namespace picasa