Compute if a layer is clipped outside CalcDrawProps

cc/trees/layer_tree_host_common_unittest.cc

 // Copyright 2011 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 "cc/trees/layer_tree_host_common.h"
 
 #include <algorithm>
 #include <set>
 
 #include "cc/animation/layer_animation_controller.h"
@@ skipping 7299 matching lines @@
 
   expected.clear();
   expected.insert(grand_child2_raw);
 
   actual.clear();
   GatherDrawnLayers(render_surface_layer_list_impl(), &actual);
   EXPECT_EQ(expected, actual);
 
   // Add a mask layer to child.
   child_raw->SetMaskLayer(LayerImpl::Create(host_impl.active_tree(), 6).Pass());
+  child_raw->layer_tree_impl()->property_trees()->needs_rebuild = true;
 
   ExecuteCalculateDrawProperties(grand_parent_raw);
   member_id = render_surface_layer_list_count();
 
   EXPECT_NE(member_id, membership_id(grand_parent_raw));
   EXPECT_NE(member_id, membership_id(parent_raw));
   EXPECT_NE(member_id, membership_id(child_raw));
   EXPECT_EQ(member_id, membership_id(child_raw->mask_layer()));
   EXPECT_NE(member_id, membership_id(grand_child1_raw));
   EXPECT_EQ(member_id, membership_id(grand_child2_raw));
@@ skipping 71 matching lines @@
   EXPECT_NE(member_id, membership_id(grand_child2_raw));
 
   expected.clear();
   expected.insert(child_raw);
   expected.insert(child_raw->mask_layer());
   actual.clear();
   GatherDrawnLayers(render_surface_layer_list_impl(), &actual);
   EXPECT_EQ(expected, actual);
 
   child_raw->TakeMaskLayer();
+  child_raw->layer_tree_impl()->property_trees()->needs_rebuild = true;
 
   // Now everyone's a member!
   grand_parent_raw->SetDrawsContent(true);
   parent_raw->SetDrawsContent(true);
   child_raw->SetDrawsContent(true);
   grand_child1_raw->SetDrawsContent(true);
   grand_child2_raw->SetDrawsContent(true);
 
   ExecuteCalculateDrawProperties(grand_parent_raw);
   member_id = render_surface_layer_list_count();
@@ skipping 1191 matching lines @@
   EXPECT_FALSE(root->layer_or_descendant_is_drawn());
   EXPECT_FALSE(root->visited());
   EXPECT_FALSE(root->sorted_for_recursion());
   EXPECT_FALSE(child->layer_or_descendant_is_drawn());
   EXPECT_FALSE(child->visited());
   EXPECT_FALSE(child->sorted_for_recursion());
 }
 
 }  // namespace
 }  // namespace cc