If we can't read a unicode character, write the standard "unknown" (0xFFFD) c...

net/base/file_stream_posix.cc

 // Copyright (c) 2008 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.
 
 // For 64-bit file access (off_t = off64_t, lseek64, etc).
 #define _FILE_OFFSET_BITS 64
 
 #include "net/base/file_stream.h"
 
 #include <sys/types.h>
@@ skipping 311 matching lines @@
   }
 }
 
 int FileStream::Open(const FilePath& path, int open_flags) {
   if (IsOpen()) {
     DLOG(FATAL) << "File is already open!";
     return ERR_UNEXPECTED;
   }
 
   open_flags_ = open_flags;
-  file_ = base::CreatePlatformFile(path.ToWStringHack(), open_flags_, NULL);
+  file_ = base::CreatePlatformFile(path, open_flags_, NULL);
   if (file_ == base::kInvalidPlatformFileValue) {
     LOG(WARNING) << "Failed to open file: " << errno
           << " (" << path.ToWStringHack() << ")";
     return MapErrorCode(errno);
   }
 
   if (open_flags_ & base::PLATFORM_FILE_ASYNC) {
     async_context_.reset(new AsyncContext());
   }
 
@@ skipping 108 matching lines @@
   int64 seek_position = Seek(FROM_BEGIN, bytes);
   if (seek_position != bytes)
     return ERR_UNEXPECTED;
 
   // And truncate the file.
   int result = ftruncate(file_, bytes);
   return result == 0 ? seek_position : MapErrorCode(errno);
 }
 
 }  // namespace net