Adding new shipping address editor view to payment flow.

chrome/browser/ui/views/payments/view_stack.cc

 // Copyright 2016 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/payments/view_stack.h"
 
+#include <memory>
+#include <utility>
+
 #include "base/memory/ptr_util.h"
 #include "ui/views/layout/fill_layout.h"
 
 ViewStack::ViewStack()
     : slide_in_animator_(base::MakeUnique<views::BoundsAnimator>(this)),
       slide_out_animator_(base::MakeUnique<views::BoundsAnimator>(this)) {
   SetLayoutManager(new views::FillLayout());
 
   slide_out_animator_->AddObserver(this);
   // Paint to a layer and Mask to Bounds, otherwise descendant views that paint
@@ skipping 73 matching lines @@
 }
 
 void ViewStack::OnBoundsAnimatorDone(views::BoundsAnimator* animator) {
   // This should only be called from slide_out_animator_ when the views going
   // out are done animating.
   DCHECK_EQ(animator, slide_out_animator_.get());
 
   stack_.pop_back();
   DCHECK(!stack_.empty()) << "State stack should never be empty";
 }