cc :: Reland compute if layer is drawn from property trees

cc/layers/layer.h

Index: cc/layers/layer.h
diff --git a/cc/layers/layer.h b/cc/layers/layer.h
index 94f827139fe9205e7a3df7468287e7b84224e65b..74fa72b31bff8ed3e23bb81ca623ce98be9b0589 100644
--- a/cc/layers/layer.h
+++ b/cc/layers/layer.h
@@ -141,6 +141,7 @@ class CC_EXPORT Layer : public base::RefCounted<Layer>,
 
   void SetOpacity(float opacity);
   float opacity() const { return opacity_; }
+  float EffectiveOpacity() const;
   bool OpacityIsAnimating() const;
   bool HasPotentiallyRunningOpacityAnimation() const;
   virtual bool OpacityCanAnimateOnImplThread() const;
@@ -560,12 +561,6 @@ 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;
@@ -792,7 +787,6 @@ 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);
 };