Rename variable, class, function, etc from libarchive to minizip.

ui/file_manager/zip_archiver/cpp/compressor.h

 // Copyright 2017 The Chromium OS 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 COMPRESSOR_H_
 #define COMPRESSOR_H_
 
 #include <ctime>
 #include <pthread.h>
 
@@ skipping 26 matching lines @@
 
   // Adds an entry to the archive.
   void AddToArchive(const pp::VarDictionary& dictionary);
 
   // Processes a file chunk sent from JavaScript.
   void ReadFileChunkDone(const pp::VarDictionary& dictionary);
 
   // Receives a write chunk response from JavaScript.
   void WriteChunkDone(const pp::VarDictionary& dictionary);
 
-  // Releases all resources obtained by libarchive.
+  // Releases all resources obtained by minizip.
   void CloseArchive(const pp::VarDictionary& dictionary);
 
   // A getter function for the message sender.
   JavaScriptMessageSenderInterface* message_sender() { return message_sender_; }
 
   // A getter function for the requestor.
   JavaScriptCompressorRequestorInterface* requestor() { return requestor_; }
 
   // A getter function for the compressor id.
   int compressor_id() { return compressor_id_; }
@@ skipping 17 matching lines @@
   // this thread are executed in order, so a new job must wait for the last job
   // to finish.
   pp::SimpleThread worker_;
 
   // Callback factory used to submit jobs to worker_.
   pp::CompletionCallbackFactory<Compressor> callback_factory_;
 
   // A requestor for making calls to JavaScript.
   JavaScriptCompressorRequestorInterface* requestor_;
 
-  // Libarchive wrapper instance per compressor, shared across all operations.
+  // Minizip wrapper instance per compressor, shared across all operations.
   CompressorArchive* compressor_archive_;
 
   // An instance that takes care of all IO operations.
   CompressorStream* compressor_stream_;
 };
 
 #endif  /// COMPRESSOR_H_