Standardize usage of virtual/override/final in storage/

storage/browser/fileapi/dragged_file_util.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 "storage/browser/fileapi/dragged_file_util.h"
 
 #include <string>
 #include <vector>
 
 #include "base/files/file_util.h"
@@ skipping 11 matching lines @@
 namespace {
 
 // Simply enumerate each path from a given fileinfo set.
 // Used to enumerate top-level paths of an isolated filesystem.
 class SetFileEnumerator : public FileSystemFileUtil::AbstractFileEnumerator {
  public:
   explicit SetFileEnumerator(const std::vector<FileInfo>& files)
       : files_(files) {
     file_iter_ = files_.begin();
   }
-  virtual ~SetFileEnumerator() {}
+  ~SetFileEnumerator() override {}
 
   // AbstractFileEnumerator overrides.
-  virtual base::FilePath Next() override {
+  base::FilePath Next() override {
     if (file_iter_ == files_.end())
       return base::FilePath();
     base::FilePath platform_file = (file_iter_++)->path;
     NativeFileUtil::GetFileInfo(platform_file, &file_info_);
     return platform_file;
   }
-  virtual int64 Size() override { return file_info_.size; }
-  virtual bool IsDirectory() override { return file_info_.is_directory; }
-  virtual base::Time LastModifiedTime() override {
-    return file_info_.last_modified;
-  }
+  int64 Size() override { return file_info_.size; }
+  bool IsDirectory() override { return file_info_.is_directory; }
+  base::Time LastModifiedTime() override { return file_info_.last_modified; }
 
  private:
   std::vector<FileInfo> files_;
   std::vector<FileInfo>::const_iterator file_iter_;
   base::File::Info file_info_;
 };
 
 }  // namespace
 
 //-------------------------------------------------------------------------
@@ skipping 39 matching lines @@
     return LocalFileUtil::CreateFileEnumerator(context, root);
 
   // Root path case.
   std::vector<FileInfo> toplevels;
   IsolatedContext::GetInstance()->GetDraggedFileInfo(
       root.filesystem_id(), &toplevels);
   return scoped_ptr<AbstractFileEnumerator>(new SetFileEnumerator(toplevels));
 }
 
 }  // namespace storage