Add a sanity check to ensure that CDP doesn't hit a cycle

cc/trees/layer_tree_host_common.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 "base/trace_event/trace_event.h"
 #include "cc/base/math_util.h"
@@ skipping 1193 matching lines @@
 };
 
 // Recursively walks the layer tree to compute any information that is needed
 // before doing the main recursion.
 template <typename LayerType>
 static void PreCalculateMetaInformation(
     LayerType* layer,
     PreCalculateMetaInformationRecursiveData* recursive_data) {
   layer->draw_properties().sorted_for_recursion = false;
   layer->draw_properties().has_child_with_a_scroll_parent = false;
+  layer->draw_properties().visited = false;
 
   if (!HasInvertibleOrAnimatedTransform(layer)) {
     // Layers with singular transforms should not be drawn, the whole subtree
     // can be skipped.
     return;
   }
 
   if (layer->clip_parent())
     recursive_data->num_unclipped_descendants++;
 
@@ skipping 347 matching lines @@
   // The replica draw transform to the root (screen space) origin is:
   //        M[replica2root] = M[surface2root] * Tr[replica->position()] *
   //            Tr[replica] * Tr[origin2anchor].inverse()
   //
 
   // It makes no sense to have a non-unit page_scale_factor without specifying
   // which layer roots the subtree the scale is applied to.
   DCHECK(globals.page_scale_application_layer ||
          (globals.page_scale_factor == 1.f));
 
+  CHECK(!layer->draw_properties().visited);
+  layer->draw_properties().visited = true;
+
   DataForRecursion<LayerType> data_for_children;
   typename LayerType::RenderSurfaceType*
       nearest_occlusion_immune_ancestor_surface =
           data_from_ancestor.nearest_occlusion_immune_ancestor_surface;
   data_for_children.in_subtree_of_page_scale_application_layer =
       data_from_ancestor.in_subtree_of_page_scale_application_layer;
   data_for_children.subtree_can_use_lcd_text =
       data_from_ancestor.subtree_can_use_lcd_text;
 
   // Layers that are marked as hidden will hide themselves and their subtree.
@@ skipping 967 matching lines @@
       inputs->current_render_surface_layer_list_id);
 
   // The dummy layer list should not have been used.
   DCHECK_EQ(0u, dummy_layer_list.size());
   // A root layer render_surface should always exist after
   // CalculateDrawProperties.
   DCHECK(inputs->root_layer->render_surface());
 }
 
 }  // namespace cc