Prefix string16 with base:: in ui/.

ui/views/widget/native_widget_win.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 "ui/views/widget/native_widget_win.h"
 
 #include <dwmapi.h>
 #include <shellapi.h>
 
 #include <algorithm>
@@ skipping 214 matching lines @@
   message_handler_->CenterWindow(size_in_pixels);
 }
 
 void NativeWidgetWin::GetWindowPlacement(
     gfx::Rect* bounds,
     ui::WindowShowState* show_state) const {
   message_handler_->GetWindowPlacement(bounds, show_state);
   *bounds = gfx::win::ScreenToDIPRect(*bounds);
 }
 
-bool NativeWidgetWin::SetWindowTitle(const string16& title) {
+bool NativeWidgetWin::SetWindowTitle(const base::string16& title) {
   return message_handler_->SetTitle(title);
 }
 
 void NativeWidgetWin::SetWindowIcons(const gfx::ImageSkia& window_icon,
                                      const gfx::ImageSkia& app_icon) {
   message_handler_->SetWindowIcons(window_icon, app_icon);
 }
 
 void NativeWidgetWin::InitModalType(ui::ModalType modal_type) {
   message_handler_->InitModalType(modal_type);
@@ skipping 809 matching lines @@
 // static
 bool NativeWidgetPrivate::IsTouchDown() {
   // This currently isn't necessary because we're not generating touch events on
   // windows.  When we do, this will need to be updated.
   return false;
 }
 
 }  // namespace internal
 
 }  // namespace views