Cleanup AdjustStringForLocaleDirection()

views/controls/tree/tree_view.cc

 // Copyright (c) 2010 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 "views/controls/tree/tree_view.h"
 
 #include <vector>
 
 #include "app/keyboard_code_conversion_win.h"
 #include "app/keyboard_codes.h"
@@ skipping 352 matching lines @@
       NMTVDISPINFO* info = reinterpret_cast<NMTVDISPINFO*>(l_param);
       const NodeDetails* details =
           GetNodeDetailsByID(static_cast<int>(info->item.lParam));
       if (info->item.mask & TVIF_CHILDREN)
         info->item.cChildren = model_->GetChildCount(details->node);
       if (info->item.mask & TVIF_TEXT) {
         std::wstring text = details->node->GetTitle();
         DCHECK(info->item.cchTextMax);
 
         // Adjust the string direction if such adjustment is required.
-        std::wstring localized_text;
-        if (base::i18n::AdjustStringForLocaleDirection(text, &localized_text))
-          text.swap(localized_text);
+        base::i18n::AdjustStringForLocaleDirection(&text);
 
         wcsncpy_s(info->item.pszText, info->item.cchTextMax, text.c_str(),
                   _TRUNCATE);
       }
       // Instructs windows to cache the values for this node.
       info->item.mask |= TVIF_DI_SETITEM;
       // Return value ignored.
       return 0;
     }
 
@@ skipping 375 matching lines @@
       }
       // Fall through and let the default handler process as well.
       break;
   }
   WNDPROC handler = tree->original_handler_;
   DCHECK(handler);
   return CallWindowProc(handler, window, message, w_param, l_param);
 }
 
 }  // namespace views