Remove unnecessary comments in base/files/file_util_win.cc

base/files/file_util_win.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.
 
 #include "base/files/file_util.h"
 
 #include <windows.h>
 #include <io.h>
 #include <psapi.h>
 #include <shellapi.h>
@@ skipping 346 matching lines @@
     temp_name = dir.Append(ASCIIToUTF16(base::GenerateGUID()) + L".tmp");
     File file(temp_name,
               File::FLAG_CREATE | File::FLAG_READ | File::FLAG_WRITE);
     if (file.IsValid()) {
       file.Close();
       create_file_success = true;
       break;
     }
   }
 
-  // Exist early if we can't create an unique name.
   if (!create_file_success) {
     DPLOG(WARNING) << "Failed to get temporary file name in "
                    << UTF16ToUTF8(dir.value());
     return false;
   }
 
   wchar_t long_temp_name[MAX_PATH + 1];
   DWORD long_name_len =
       GetLongPathName(temp_name.value().c_str(), long_temp_name, MAX_PATH);
   if (long_name_len > MAX_PATH || long_name_len == 0) {
@@ skipping 488 matching lines @@
     // Like Move, this function is not transactional, so we just
     // leave the copied bits behind if deleting from_path fails.
     // If to_path exists previously then we have already overwritten
     // it by now, we don't get better off by deleting the new bits.
   }
   return false;
 }
 
 }  // namespace internal
 }  // namespace base