Basic support for backface visibility in spv2 with --layer-lists

third_party/WebKit/Source/platform/graphics/compositing/PaintArtifactCompositor.cpp

 // Copyright 2015 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 "platform/graphics/compositing/PaintArtifactCompositor.h"
 
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/picture_layer.h"
 #include "cc/playback/display_item_list.h"
@@ skipping 573 matching lines @@
         layer->set_property_tree_sequence_number(kPropertyTreeSequenceNumber);
         layer->SetTransformTreeIndex(transformId);
         layer->SetClipTreeIndex(clipId);
         layer->SetEffectTreeIndex(effectId);
         layer->SetScrollTreeIndex(kRealRootNodeId);
 
         // TODO(jbroman): This probably shouldn't be necessary, but it is still
         // queried by RenderSurfaceImpl.
         layer->Set3dSortingContextId(host->property_trees()->transform_tree.Node(transformId)->sorting_context_id);
 
+        layer->SetShouldCheckBackfaceVisibility(paintChunk.properties.backfaceHidden);
+
         if (m_extraDataForTestingEnabled)
             m_extraDataForTesting->contentLayers.append(layer);
     }
 
     // Mark the property trees as having been rebuilt.
     host->property_trees()->sequence_number = kPropertyTreeSequenceNumber;
     host->property_trees()->needs_rebuild = false;
 }
 
 } // namespace blink