Add base:: namespace to straggling string16s left in chrome/browser/ui.

chrome/browser/ui/views/infobars/after_translate_infobar.cc

 // Copyright (c) 2012 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/ui/views/infobars/after_translate_infobar.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/translate/options_menu_model.h"
 #include "chrome/browser/translate/translate_infobar_delegate.h"
 #include "chrome/browser/ui/views/infobars/translate_language_menu_model.h"
@@ skipping 100 matching lines @@
   AddChildView(first_button);
 
   label_2_ = CreateLabel(strings[1]);
   AddChildView(label_2_);
 
   // These views may not always be shown, but adding them unconditionally
   // prevents leaks and reduces NULL-checking elsewhere.
   AddChildView(second_button);
   if (autodetermined_source_language_)
     second_button->SetVisible(false);
-  label_3_ =
-      CreateLabel(autodetermined_source_language_ ? string16() : strings[2]);
+  label_3_ = CreateLabel(autodetermined_source_language_ ? base::string16() :
+                                                           strings[2]);
   AddChildView(label_3_);
 
   revert_button_ = CreateLabelButton(this,
       l10n_util::GetStringUTF16(IDS_TRANSLATE_INFOBAR_REVERT), false);
   AddChildView(revert_button_);
 
   options_menu_button_ = CreateMenuButton(
       l10n_util::GetStringUTF16(IDS_TRANSLATE_INFOBAR_OPTIONS), this);
   options_menu_model_.reset(new OptionsMenuModel(delegate));
   AddChildView(options_menu_button_);
@@ skipping 51 matching lines @@
 }
 
 void AfterTranslateInfoBar::GetButtons(
     views::MenuButton** first_button,
     views::MenuButton** second_button) const {
   *first_button = original_language_menu_button_;
   *second_button = target_language_menu_button_;
   if (swapped_language_buttons_ || autodetermined_source_language_)
     std::swap(*first_button, *second_button);
 }