Compute if a layer is drawn without LayerTree hierarchy

cc/layers/layer_impl.h

Index: cc/layers/layer_impl.h
diff --git a/cc/layers/layer_impl.h b/cc/layers/layer_impl.h
index 48e9529f3d37a21087bf325dd567c92cd0efbc48..7bcf17930da4626f047b5fa2d95854171ddc2a6c 100644
--- a/cc/layers/layer_impl.h
+++ b/cc/layers/layer_impl.h
@@ -291,7 +291,6 @@ class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
 
   int NumDescendantsThatDrawContent() const;
   void SetHideLayerAndSubtree(bool hide);
-  bool hide_layer_and_subtree() const { return hide_layer_and_subtree_; }
 
   void SetTransformOrigin(const gfx::Point3F& transform_origin);
   gfx::Point3F transform_origin() const { return transform_origin_; }
@@ -685,13 +684,7 @@ class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
 
   void UpdatePropertyTreeForScrollingAndAnimationIfNeeded();
 
-  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();
-  }
-  bool LayerIsHidden() const;
+  bool IsHidden() const;
 
   float GetIdealContentsScale() const;
 
@@ -797,7 +790,6 @@ class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
   bool is_root_for_isolated_group_ : 1;
   bool use_parent_backface_visibility_ : 1;
   bool draws_content_ : 1;
-  bool hide_layer_and_subtree_ : 1;
 
   // Cache transform_'s invertibility.
   bool transform_is_invertible_ : 1;
@@ -895,7 +887,6 @@ class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
   // If true, the layer or one of its descendants has a wheel or touch handler.
   bool layer_or_descendant_has_input_handler_;
   bool sorted_for_recursion_;
-  bool is_hidden_from_property_trees_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };