Remove UTF string conversion functions from the global namespace.

ui/views/touchui/touch_selection_controller_impl_unittest.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 "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "grit/ui_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/touch/touch_editing_controller.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/render_text.h"
 #include "ui/views/controls/textfield/native_textfield_views.h"
 #include "ui/views/controls/textfield/textfield.h"
 #include "ui/views/test/views_test_base.h"
 #include "ui/views/touchui/touch_selection_controller_impl.h"
 #include "ui/views/widget/widget.h"
 
 #if defined(USE_AURA)
 #include "ui/aura/test/event_generator.h"
 #include "ui/aura/window.h"
 #endif
 
 using base::ASCIIToUTF16;
 using base::UTF16ToUTF8;
+using base::WideToUTF16;
 
 namespace {
 // Should match kSelectionHandlePadding in touch_selection_controller.
 const int kPadding = 10;
 
 gfx::Image* GetHandleImage() {
   static gfx::Image* handle_image = NULL;
   if (!handle_image) {
     handle_image = &ui::ResourceBundle::GetSharedInstance().GetImageNamed(
         IDR_TEXT_SELECTION_HANDLE);
@@ skipping 453 matching lines @@
   gfx::Point cursor_pos = GetCursorHandlePosition();
   cursor_pos.Offset(GetHandleImageSize().width() / 2 + kPadding, 0);
   generator.GestureTapAt(cursor_pos);
   generator.GestureTapAt(cursor_pos);
   EXPECT_TRUE(textfield_->HasSelection());
   VERIFY_HANDLE_POSITIONS(false);
 }
 #endif
 
 }  // namespace views