Revert of cc : Don't draw animating layers which are transparent but raster them.

cc/trees/layer_tree_host_common.cc

Index: cc/trees/layer_tree_host_common.cc
diff --git a/cc/trees/layer_tree_host_common.cc b/cc/trees/layer_tree_host_common.cc
index 47f3fc27ee865a923fb1f699bd99b09b325f3310..e289a34db082703215815fa1212972e6aeb9f35a 100644
--- a/cc/trees/layer_tree_host_common.cc
+++ b/cc/trees/layer_tree_host_common.cc
@@ -374,22 +374,11 @@ static void ComputeInitialRenderSurfaceList(
 
     bool skip_for_invertibility = SkipForInvertibility(layer, property_trees);
 
-    const EffectNode* effect_node =
-        property_trees->effect_tree.Node(layer->effect_tree_index());
-    bool has_animating_opacity_and_hidden =
-        effect_node->has_potential_opacity_animation &&
-        property_trees->effect_tree.EffectiveOpacity(effect_node) == 0.f &&
-        !effect_node->has_copy_request;
-
     bool skip_layer = !is_root && (skip_draw_properties_computation ||
-                                   skip_for_invertibility ||
-                                   has_animating_opacity_and_hidden);
-
-    bool raster_even_if_not_in_rsll =
-        skip_draw_properties_computation
-            ? false
-            : has_animating_opacity_and_hidden || skip_for_invertibility;
-    layer->set_raster_even_if_not_in_rsll(raster_even_if_not_in_rsll);
+                                   skip_for_invertibility);
+
+    layer->set_raster_even_if_not_in_rsll(skip_for_invertibility &&
+                                          !skip_draw_properties_computation);
     if (skip_layer)
       continue;