Plumb selection edge points through the compositor

cc/input/layer_selection_bound.cc

 // Copyright 2014 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 "cc/input/layer_selection_bound.h"
 
 namespace cc {
 
 LayerSelectionBound::LayerSelectionBound()
     : type(SELECTION_BOUND_EMPTY), layer_id(0) {
 }
 
 LayerSelectionBound::~LayerSelectionBound() {
 }
 
 bool operator==(const LayerSelectionBound& lhs,
                 const LayerSelectionBound& rhs) {
   return lhs.type == rhs.type && lhs.layer_id == rhs.layer_id &&
-         lhs.layer_rect == rhs.layer_rect;
+         lhs.edge_top == rhs.edge_top && lhs.edge_bottom == rhs.edge_bottom;
 }
 
 bool operator!=(const LayerSelectionBound& lhs,
                 const LayerSelectionBound& rhs) {
   return !(lhs == rhs);
 }
 
 }  // namespace cc