crashpad_database_util: Accept --new-report=- to read a new report from standard input

util/file/string_file.h

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 18 matching lines @@
 //! \brief A file reader and writer backed by a virtual file, as opposed to a
 //!     file on disk or other operating system file descriptor-based file.
 //!
 //! The virtual file is a buffer in memory. This class is convenient for use
 //! with other code that normally expects to read or write files, when it is
 //! impractical or inconvenient to read or write a file. It is expected that
 //! tests, in particular, will benefit from using this class.
 class StringFile : public FileReaderInterface, public FileWriterInterface {
  public:
   StringFile();
-  ~StringFile();
+  ~StringFile() override;
 
   //! \brief Returns a string containing the virtual file’s contents.
   const std::string& string() const { return string_; }
 
   //! \brief Sets the virtual file’s contents to \a string, and resets its file
   //!     position to `0`.
   void SetString(const std::string& string);
 
   //! \brief Resets the virtual file’s contents to be empty, and resets its file
   //!     position to `0`.
@@ skipping 21 matching lines @@
   //!     report file offsets. The implementation must take care when converting
   //!     between these distinct types.
   base::CheckedNumeric<size_t> offset_;
 
   DISALLOW_COPY_AND_ASSIGN(StringFile);
 };
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_UTIL_FILE_STRING_FILE_H_