cc : Layers with background filters are drawn only if parent is drawn.

cc/trees/property_tree.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 
 #include <set>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 1192 matching lines @@
 }
 
 void EffectTree::UpdateIsDrawn(EffectNode* node, EffectNode* parent_node) {
   // Nodes that have screen space opacity 0 are hidden. So they are not drawn.
   // Exceptions:
   // 1) Nodes that contribute to copy requests, whether hidden or not, must be
   //    drawn.
   // 2) Nodes that have a background filter.
   // 3) Nodes with animating screen space opacity are drawn if their parent is
   //    drawn irrespective of their opacity.
-  if (node->data.has_copy_request || node->data.has_background_filters)
+  if (node->data.has_copy_request)
     node->data.is_drawn = true;
-  else if (node->data.opacity == 0.f && !node->data.has_animated_opacity)
+  else if (node->data.opacity == 0.f && !node->data.has_animated_opacity &&
+           !node->data.has_background_filters)
     node->data.is_drawn = false;
   else if (parent_node)
     node->data.is_drawn = parent_node->data.is_drawn;
   else
     node->data.is_drawn = true;
 }
 
 void EffectTree::UpdateEffectChanged(EffectNode* node,
                                      EffectNode* parent_node) {
   if (parent_node && parent_node->data.effect_changed) {
@@ skipping 691 matching lines @@
       break;
     case ALL_TREES:
       transform_tree.ResetChangeTracking();
       effect_tree.ResetChangeTracking();
   }
   changed = false;
   full_tree_damaged = false;
 }
 
 }  // namespace cc