[Web Payments] Implement item selection in lists.

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 "base/memory/ptr_util.h"
 #include "ui/views/layout/fill_layout.h"
 
 ViewStack::ViewStack()
@@ skipping 63 matching lines @@
   gfx::Rect out_new_destination = bounds();
   out_new_destination.set_origin(gfx::Point(width(), 0));
   UpdateAnimatorBounds(slide_out_animator_.get(), out_new_destination);
 }
 
 void ViewStack::UpdateAnimatorBounds(
     views::BoundsAnimator* animator, const gfx::Rect& target) {
   // If an animator is currently animating, figure out which views and update
   // their target bounds.
   if (animator->IsAnimating()) {
-    for (auto& view: stack_) {
+    for (auto& view : stack_) {
       if (animator->IsAnimating(view.get())) {
         animator->SetTargetBounds(view.get(), target);
       }
     }
   }
 }
 
 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";
 }