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

ui/file_manager/zip_archiver/cpp/volume_reader_javascript_stream.h

 // Copyright 2014 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 VOLUME_READER_JAVSCRIPT_STREAM_H_
 #define VOLUME_READER_JAVSCRIPT_STREAM_H_
 
 #include <pthread.h>
 
 #include "ppapi/cpp/var_array_buffer.h"
@@ skipping 86 matching lines @@
   // extension is used only on Chromebooks. The shared_state_lock_ is used to
   // protect members which are accessed by more than one thread.
   pthread_mutex_t shared_state_lock_;
   pthread_cond_t available_data_cond_;
   pthread_cond_t available_passphrase_cond_;
 
   int64_t offset_;  // The offset from where read should be done.
   int64_t last_read_chunk_offset_;  // The offset reached after last call to
                                     // VolumeReaderJavaScriptStream::Read.
 
-  // Two buffers used to store the actual data used by libarchive and the data
+  // Two buffers used to store the actual data used by minizip and the data
   // read ahead.
   pp::VarArrayBuffer first_array_buffer_;
   pp::VarArrayBuffer second_array_buffer_;
 
   // A pointer to first_arrray_buffer_ or second_array_buffer_. This is used in
   // order to avoid an extra copy from the second buffer to the first buffer
   // when data is available for VolumeReaderJavaScriptStream::Read method.
   // It points to the array buffer used for reading ahead when data is received
   // from JavaScript at VolumeReaderJavaScriptStream::SetBufferAndSignal.
   pp::VarArrayBuffer* read_ahead_array_buffer_ptr_;
 };
 
 #endif  // VOLUME_READER_JAVSCRIPT_STREAM_H_