Cleanup AdjustStringForLocaleDirection()

views/controls/textfield/native_textfield_win.cc

Index: views/controls/textfield/native_textfield_win.cc
diff --git a/views/controls/textfield/native_textfield_win.cc b/views/controls/textfield/native_textfield_win.cc
index 2109cb9f5302fa471b9953f66e0618b2ad777833..3f4b0eb170d4869df178de19ff800b081a527e50 100644
--- a/views/controls/textfield/native_textfield_win.cc
+++ b/views/controls/textfield/native_textfield_win.cc
@@ -155,13 +155,11 @@ 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) {