Get rid of wstring variants of StringToFoo.

chrome/common/logging_chrome.cc

 // Copyright (c) 2006-2008 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 "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
@@ skipping 107 matching lines @@
     SuppressDialogs();
 
   std::wstring log_filter_prefix =
       command_line.GetSwitchValue(switches::kLogFilterPrefix);
   logging::SetLogFilterPrefix(WideToUTF8(log_filter_prefix).c_str());
 
   // Use a minimum log level if the command line has one, otherwise set the
   // default to LOG_WARNING.
   std::wstring log_level = command_line.GetSwitchValue(switches::kLoggingLevel);
   int level = 0;
-  if (StringToInt(log_level, &level)) {
+  if (StringToInt(WideToUTF16Hack(log_level), &level)) {
     if ((level >= 0) && (level < LOG_NUM_SEVERITIES))
       logging::SetMinLogLevel(level);
   } else {
     logging::SetMinLogLevel(LOG_WARNING);
   }
 
   chrome_logging_initialized_ = true;
 }
 
 // This is a no-op, but we'll keep it around in case
@@ skipping 54 matching lines @@
         assertions->push_back(wide_line);
       ++assertion_count;
     }
   }
   log_file.close();
 
   return assertion_count;
 }
 
 } // namespace logging
-