Prefix string16 with base:: in ui/.

ui/views/widget/widget_delegate.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/widget_delegate.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/view.h"
@@ skipping 43 matching lines @@
 }
 
 ui::ModalType WidgetDelegate::GetModalType() const {
   return ui::MODAL_TYPE_NONE;
 }
 
 ui::AccessibilityTypes::Role WidgetDelegate::GetAccessibleWindowRole() const {
   return ui::AccessibilityTypes::ROLE_WINDOW;
 }
 
-string16 WidgetDelegate::GetAccessibleWindowTitle() const {
+base::string16 WidgetDelegate::GetAccessibleWindowTitle() const {
   return GetWindowTitle();
 }
 
-string16 WidgetDelegate::GetWindowTitle() const {
-  return string16();
+base::string16 WidgetDelegate::GetWindowTitle() const {
+  return base::string16();
 }
 
 bool WidgetDelegate::ShouldShowWindowTitle() const {
   return true;
 }
 
 bool WidgetDelegate::ShouldShowCloseButton() const {
   return true;
 }
 
@@ skipping 110 matching lines @@
 
 Widget* WidgetDelegateView::GetWidget() {
   return View::GetWidget();
 }
 
 const Widget* WidgetDelegateView::GetWidget() const {
   return View::GetWidget();
 }
 
 }  // namespace views