Get rid of wstring variants of StringToFoo.

chrome/browser/dom_ui/history_ui.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 "chrome/browser/dom_ui/history_ui.h"
 
 #include "base/message_loop.h"
 #include "base/string_piece.h"
 #include "base/string_util.h"
 #include "base/thread.h"
@@ skipping 260 matching lines @@
       string_value->GetAsString(query);
     }
 
     // Get search month.
     if (list_value->Get(1, &list_member) &&
         list_member->GetType() == Value::TYPE_STRING) {
       const StringValue* string_value =
         static_cast<const StringValue*>(list_member);
       std::wstring wstring_value;
       string_value->GetAsString(&wstring_value);
-      *month = StringToInt(wstring_value);
+      *month = StringToInt(WideToUTF16Hack(wstring_value));
     }
   }
 }
 
 history::QueryOptions BrowsingHistoryHandler::CreateMonthQueryOptions(
     int month) {
   history::QueryOptions options;
 
   // Configure the begin point of the search to the start of the
   // current month.
@@ skipping 74 matching lines @@
   url += kHistoryHost;
   return GURL(url);
 }
 
 // static
 const GURL HistoryUI::GetHistoryURLWithSearchText(
   const std::wstring& text) {
     return GURL(GetBaseURL().spec() + "/?q=" +
       EscapeQueryParamValue(WideToUTF8(text)));
 }