Change the copyright from Chromium OS to Chromium.

ui/file_manager/zip_archiver/unpacker-test/cpp/fake_volume_reader.cc

-// Copyright 2014 The Chromium OS Authors. All rights reserved.
+// Copyright 2014 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 "fake_volume_reader.h"
 
 FakeVolumeReader::FakeVolumeReader() {}
 FakeVolumeReader::~FakeVolumeReader() {}
 
 int64_t FakeVolumeReader::Read(int64_t bytes_to_read,
                                const void** destination_buffer) {
   return 0;  // Not important.
 }
 
 int64_t FakeVolumeReader::Skip(int64_t bytes_to_skip) {
   return 0;  // Not important.
 }
 
 int64_t FakeVolumeReader::Seek(int64_t offset, int whence) {
   return 0;  // Not important.
 }
 
 const char* FakeVolumeReader::Passphrase() {
   return NULL;  // Not important.
 }