refactor: rename the atom directory to shell

shell/common/asar/scoped_temporary_file.h

@@ -0,0 +1,44 @@
+// Copyright (c) 2014 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_COMMON_ASAR_SCOPED_TEMPORARY_FILE_H_
+#define ATOM_COMMON_ASAR_SCOPED_TEMPORARY_FILE_H_
+
+#include "base/files/file_path.h"
+
+namespace base {
+class File;
+}
+
+namespace asar {
+
+// An object representing a temporary file that should be cleaned up when this
+// object goes out of scope.  Note that since deletion occurs during the
+// destructor, no further error handling is possible if the directory fails to
+// be deleted.  As a result, deletion is not guaranteed by this class.
+class ScopedTemporaryFile {
+ public:
+  ScopedTemporaryFile();
+  virtual ~ScopedTemporaryFile();
+
+  // Init an empty temporary file with a certain extension.
+  bool Init(const base::FilePath::StringType& ext);
+
+  // Init an temporary file and fill it with content of |path|.
+  bool InitFromFile(base::File* src,
+                    const base::FilePath::StringType& ext,
+                    uint64_t offset,
+                    uint64_t size);
+
+  base::FilePath path() const { return path_; }
+
+ private:
+  base::FilePath path_;
+
+  DISALLOW_COPY_AND_ASSIGN(ScopedTemporaryFile);
+};
+
+}  // namespace asar
+
+#endif  // ATOM_COMMON_ASAR_SCOPED_TEMPORARY_FILE_H_