Add support for (de)serializing LayerSelection.

As part of serializing cc::LayerTreeHost, we also need to
serialize the Selection<LayerSelectionBound>, which is
typedef'ed to LayerSelection.

We only support this type of the templated Selection for now,
so the code lives together with the LayerSelectionBound.

BUG=561210
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1531413002

Cr-Commit-Position: refs/heads/master@{#366202}

1 files changed, 16 insertions, 0 deletions

diff --git a/cc/input/layer_selection_bound.cc b/cc/input/layer_selection_bound.cc
index 7abd9e0..a5146dc 100644
--- a/cc/input/layer_selection_bound.cc
+++ b/cc/input/layer_selection_bound.cc
@@ -77,4 +77,20 @@ void LayerSelectionBound::FromProtobuf(
   layer_id = proto.layer_id();
 }
 
+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