[NaCl SDK] Consistent use of copyright header.

native_client_sdk/src/libraries/nacl_io_test/mount_html5fs_test.cc

-/* Copyright (c) 2012 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.
- */
+// Copyright (c) 2012 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 <errno.h>
 #include <fcntl.h>
 #include <string.h>
 #include <gmock/gmock.h>
 #include <ppapi/c/ppb_file_io.h>
 #include <ppapi/c/pp_directory_entry.h>
 #include <ppapi/c/pp_errors.h>
 #include <ppapi/c/pp_instance.h>
 #if defined(WIN32)
@@ skipping 606 matching lines @@
   EXPECT_LT(0, dirents[0].d_ino);  // 0 is an invalid inode number.
   EXPECT_EQ(sizeof(dirent), dirents[0].d_off);
   EXPECT_EQ(sizeof(dirent), dirents[0].d_reclen);
   EXPECT_STREQ(fileref_name_cstr_1, dirents[0].d_name);
   EXPECT_LT(0, dirents[1].d_ino);  // 0 is an invalid inode number.
   EXPECT_EQ(sizeof(dirent), dirents[1].d_off);
   EXPECT_EQ(sizeof(dirent), dirents[1].d_reclen);
   EXPECT_STREQ(fileref_name_cstr_2, dirents[1].d_name);
 }