Compute if a layer is drawn without LayerTree hierarchy

cc/layers/layer.h

Index: cc/layers/layer.h
diff --git a/cc/layers/layer.h b/cc/layers/layer.h
index aff32fa02772b336f335d39ac743d243240d8719..af9d46a7edec7f765e22a9858708f41401fb795f 100644
--- a/cc/layers/layer.h
+++ b/cc/layers/layer.h
@@ -337,9 +337,6 @@ class CC_EXPORT Layer : public base::RefCounted<Layer>,
 
   void SetIsDrawable(bool is_drawable);
 
-  void SetHideLayerAndSubtree(bool hide);
-  bool hide_layer_and_subtree() const { return hide_layer_and_subtree_; }
-
   void SetReplicaLayer(Layer* layer);
   Layer* replica_layer() { return replica_layer_.get(); }
   const Layer* replica_layer() const { return replica_layer_.get(); }
@@ -561,12 +558,6 @@ class CC_EXPORT Layer : public base::RefCounted<Layer>,
   bool layer_or_descendant_is_drawn();
   void set_sorted_for_recursion(bool sorted_for_recursion);
   bool sorted_for_recursion();
-  void set_is_hidden_from_property_trees(bool is_hidden) {
-    if (is_hidden == is_hidden_from_property_trees_)
-      return;
-    is_hidden_from_property_trees_ = is_hidden;
-    SetNeedsPushProperties();
-  }
 
   // LayerAnimationValueProvider implementation.
   gfx::ScrollOffset ScrollOffsetForAnimation() const override;
@@ -736,7 +727,6 @@ class CC_EXPORT Layer : public base::RefCounted<Layer>,
   bool is_container_for_fixed_position_layers_ : 1;
   bool is_drawable_ : 1;
   bool draws_content_ : 1;
-  bool hide_layer_and_subtree_ : 1;
   bool masks_to_bounds_ : 1;
   bool contents_opaque_ : 1;
   bool double_sided_ : 1;
@@ -793,7 +783,6 @@ class CC_EXPORT Layer : public base::RefCounted<Layer>,
 
   std::vector<FrameTimingRequest> frame_timing_requests_;
   bool frame_timing_requests_dirty_;
-  bool is_hidden_from_property_trees_;
 
   DISALLOW_COPY_AND_ASSIGN(Layer);
 };