Cleanup AdjustStringForLocaleDirection()

views/controls/textfield/native_textfield_win.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/textfield/native_textfield_win.h"
 
 #include <algorithm>
 
 #include "app/clipboard/clipboard.h"
 #include "app/clipboard/scoped_clipboard_writer.h"
@@ skipping 137 matching lines @@
   // not be displayed correctly in a textfield. For example, "Yahoo!" will be
   // displayed as "!Yahoo", and "Google (by default)" will be displayed as
   // "(Google (by default".
   return base::i18n::StripWrappingBidiControlCharacters(WideToUTF16(str));
 }
 
 void NativeTextfieldWin::UpdateText() {
   std::wstring text = textfield_->text();
   // Adjusting the string direction before setting the text in order to make
   // sure both RTL and LTR strings are displayed properly.
-  std::wstring text_to_set;
-  if (!base::i18n::AdjustStringForLocaleDirection(text, &text_to_set))
-    text_to_set = text;
+  base::i18n::AdjustStringForLocaleDirection(&text);
   if (textfield_->style() & Textfield::STYLE_LOWERCASE)
-    text_to_set = l10n_util::ToLower(text_to_set);
-  SetWindowText(text_to_set.c_str());
-  UpdateAccessibleValue(text_to_set);
+    text = l10n_util::ToLower(text);
+  SetWindowText(text.c_str());
+  UpdateAccessibleValue(text);
 }
 
 void NativeTextfieldWin::AppendText(const string16& text) {
   int text_length = GetWindowTextLength();
   ::SendMessage(m_hWnd, TBM_SETSEL, true, MAKELPARAM(text_length, text_length));
   ::SendMessage(m_hWnd, EM_REPLACESEL, false,
                 reinterpret_cast<LPARAM>(text.c_str()));
 }
 
 string16 NativeTextfieldWin::GetSelectedText() const {
@@ skipping 899 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // NativeTextfieldWrapper, public:
 
 // static
 NativeTextfieldWrapper* NativeTextfieldWrapper::CreateWrapper(
     Textfield* field) {
   return new NativeTextfieldWin(field);
 }
 
 }  // namespace views