cc : Delete unused properties in effect node

cc/trees/property_tree.cc

Index: cc/trees/property_tree.cc
diff --git a/cc/trees/property_tree.cc b/cc/trees/property_tree.cc
index c3d35a1b068953bc5501ac91cd9bde413cb72c06..91dd5c73a27d758af37a5b9b3c838ae5cfe5aa7c 100644
--- a/cc/trees/property_tree.cc
+++ b/cc/trees/property_tree.cc
@@ -450,8 +450,6 @@ EffectNodeData::EffectNodeData()
       render_surface(nullptr),
       has_copy_request(false),
       has_background_filters(false),
-      node_or_ancestor_has_background_filters(false),
-      to_screen_opacity_is_animated(false),
       hidden_by_backface_visibility(false),
       double_sided(false),
       is_drawn(true),
@@ -470,9 +468,6 @@ bool EffectNodeData::operator==(const EffectNodeData& other) const {
          has_render_surface == other.has_render_surface &&
          has_copy_request == other.has_copy_request &&
          has_background_filters == other.has_background_filters &&
-         node_or_ancestor_has_background_filters ==
-             other.node_or_ancestor_has_background_filters &&
-         to_screen_opacity_is_animated == other.to_screen_opacity_is_animated &&
          hidden_by_backface_visibility == other.hidden_by_backface_visibility &&
          double_sided == other.double_sided && is_drawn == other.is_drawn &&
          has_animated_opacity == other.has_animated_opacity &&
@@ -490,9 +485,6 @@ void EffectNodeData::ToProtobuf(proto::TreeNode* proto) const {
   data->set_has_render_surface(has_render_surface);
   data->set_has_copy_request(has_copy_request);
   data->set_has_background_filters(has_background_filters);
-  data->set_node_or_ancestor_has_background_filters(
-      node_or_ancestor_has_background_filters);
-  data->set_to_screen_opacity_is_animated(to_screen_opacity_is_animated);
   data->set_hidden_by_backface_visibility(hidden_by_backface_visibility);
   data->set_double_sided(double_sided);
   data->set_is_drawn(is_drawn);
@@ -513,9 +505,6 @@ void EffectNodeData::FromProtobuf(const proto::TreeNode& proto) {
   has_render_surface = data.has_render_surface();
   has_copy_request = data.has_copy_request();
   has_background_filters = data.has_background_filters();
-  node_or_ancestor_has_background_filters =
-      data.node_or_ancestor_has_background_filters();
-  to_screen_opacity_is_animated = data.to_screen_opacity_is_animated();
   hidden_by_backface_visibility = data.hidden_by_backface_visibility();
   double_sided = data.double_sided();
   is_drawn = data.is_drawn();