Revert everything related to the relanding.

net/base/file_stream_win.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.
 
 #include "net/base/file_stream.h"
 
 #include <windows.h>
 
 #include "base/file_path.h"
-#include "base/histogram.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "net/base/net_errors.h"
 
 namespace net {
 
 // Ensure that we can just use our Whence values directly.
 COMPILE_ASSERT(FROM_BEGIN == FILE_BEGIN, bad_whence_begin);
 COMPILE_ASSERT(FROM_CURRENT == FILE_CURRENT, bad_whence_current);
 COMPILE_ASSERT(FROM_END == FILE_END, bad_whence_end);
@@ skipping 315 matching lines @@
     DWORD error = GetLastError();
     LOG(WARNING) << "SetEndOfFile failed: " << error;
     return MapErrorCode(error);
   }
 
   // Success.
   return seek_position;
 }
 
 }  // namespace net