[Web Payments] Refactor the row display code.

ui/views/view.h

 // 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.
 
 #ifndef UI_VIEWS_VIEW_H_
 #define UI_VIEWS_VIEW_H_
 
 #include <stddef.h>
 
 #include <algorithm>
@@ skipping 599 matching lines @@
   bool HitTestPoint(const gfx::Point& point) const;
 
   // Returns true if |rect| intersects this view's bounds. |rect| is in the
   // local coordinate space of |this|.
   bool HitTestRect(const gfx::Rect& rect) const;
 
   // Returns true if this view or any of its descendants are permitted to
   // be the target of an event.
   virtual bool CanProcessEventsWithinSubtree() const;
 
+  // Sets whether this view or any of its descendants are permitted to be the
+  // target of an event.
+  void set_can_process_events_within_subtree(bool can_process) {
+    can_process_events_within_subtree_ = can_process;
+  }
+
   // Returns true if the mouse cursor is over |view| and mouse events are
   // enabled.
   bool IsMouseHovered() const;
 
   // This method is invoked when the user clicks on this view.
   // The provided event is in the receiver's coordinate system.
   //
   // Return true if you processed the event and want to receive subsequent
   // MouseDraggged and MouseReleased events.  This also stops the event from
   // bubbling.  If you return false, the event will bubble through parent
@@ skipping 854 matching lines @@
 
   // This view's children.
   Views children_;
 
 #if DCHECK_IS_ON()
   // True while iterating over |children_|. Used to detect and DCHECK when
   // |children_| is mutated during iteration.
   mutable bool iterating_;
 #endif
 
+  bool can_process_events_within_subtree_;
+
   // Size and disposition ------------------------------------------------------
 
   // This View's bounds in the parent coordinate system.
   gfx::Rect bounds_;
 
   // Whether this view is visible.
   bool visible_;
 
   // Whether this view is enabled.
   bool enabled_;
@@ skipping 111 matching lines @@
   // Observers -------------------------------------------------------------
 
   base::ObserverList<ViewObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(View);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_VIEW_H_