cc : Compute render surface is_clipped outside property tree building

cc/trees/occlusion_tracker_unittest.cc

 // Copyright 2012 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/occlusion_tracker.h"
 
 #include <stddef.h>
 
 #include "cc/animation/animation_host.h"
 #include "cc/base/filter_operation.h"
@@ skipping 198 matching lines @@
   }
 
   void CalcDrawEtc(TestContentLayerImpl* root) {
     root->layer_tree_impl()->BuildLayerListForTesting();
     DCHECK(root == root->layer_tree_impl()->root_layer_for_testing());
 
     // These occlusion tests attach and detach layers in multiple
     // iterations, so rebuild property trees every time.
     root->layer_tree_impl()->property_trees()->needs_rebuild = true;
 
-    FakeLayerTreeHostImpl::RecursiveUpdateNumChildren(root);
-
     LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
         root, root->bounds(), &render_surface_layer_list_impl_);
     inputs.can_adjust_raster_scales = true;
     LayerTreeHostCommon::CalculateDrawPropertiesForTesting(&inputs);
 
     layer_iterator_ = layer_iterator_begin_ =
         LayerIterator::Begin(&render_surface_layer_list_impl_);
   }
 
   void EnterLayer(LayerImpl* layer, OcclusionTracker* occlusion) {
@@ skipping 2194 matching lines @@
     EXPECT_EQ(gfx::Rect(),
               occlusion.UnoccludedSurfaceContentRect(
                   surface, gfx::Rect(80, 70, 50, 50)));
   }
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestUnoccludedSurfaceQuery)
 
 }  // namespace
 }  // namespace cc