Add support for (de)serializing LayerSelection.

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 "base/logging.h"
 #include "cc/input/layer_selection_bound.h"
 #include "cc/proto/gfx_conversions.h"
 #include "cc/proto/layer_selection_bound.pb.h"
 
 namespace cc {
@@ skipping 61 matching lines @@
                 const LayerSelectionBound& rhs) {
   return lhs.type == rhs.type && lhs.layer_id == rhs.layer_id &&
          lhs.edge_top == rhs.edge_top && lhs.edge_bottom == rhs.edge_bottom;
 }
 
 bool operator!=(const LayerSelectionBound& lhs,
                 const LayerSelectionBound& rhs) {
   return !(lhs == rhs);
 }
 
+void LayerSelectionToProtobuf(const LayerSelection& selection,
+                              proto::LayerSelection* proto) {
+  selection.start.ToProtobuf(proto->mutable_start());
+  selection.end.ToProtobuf(proto->mutable_end());
+  proto->set_is_editable(selection.is_editable);
+  proto->set_is_empty_text_form_control(selection.is_empty_text_form_control);
+}
+
+void LayerSelectionFromProtobuf(LayerSelection* selection,
+                                const proto::LayerSelection& proto) {
+  selection->start.FromProtobuf(proto.start());
+  selection->end.FromProtobuf(proto.end());
+  selection->is_editable = proto.is_editable();
+  selection->is_empty_text_form_control = proto.is_empty_text_form_control();
+}
+
 }  // namespace cc