cc: Move data to LayerTree from LayerTreeHost.

cc/trees/property_tree_builder.cc

Index: cc/trees/property_tree_builder.cc
diff --git a/cc/trees/property_tree_builder.cc b/cc/trees/property_tree_builder.cc
index b1a33d69e38866effd23650e3557a03cced75254..4e78c1a1164ec020c5b7197a6619b74af0f381f3 100644
--- a/cc/trees/property_tree_builder.cc
+++ b/cc/trees/property_tree_builder.cc
@@ -101,7 +101,7 @@ static inline bool IsRootLayer(const Layer* layer) {
 }
 
 static bool IsMetaInformationRecomputationNeeded(Layer* layer) {
-  return layer->layer_tree_host()->needs_meta_info_recomputation();
+  return layer->GetLayerTree()->needs_meta_info_recomputation();
 }
 
 // Recursively walks the layer tree(if needed) to compute any information
@@ -135,7 +135,7 @@ static void PreCalculateMetaInformationInternal(
       recursive_data->num_unclipped_descendants);
 
   if (IsRootLayer(layer))
-    layer->layer_tree_host()->SetNeedsMetaInfoRecomputation(false);
+    layer->GetLayerTree()->SetNeedsMetaInfoRecomputation(false);
 }
 
 static void PreCalculateMetaInformationInternalForTesting(
@@ -1419,7 +1419,7 @@ void PropertyTreeBuilder::BuildPropertyTrees(
       root_layer->layer_tree_host()
           ->settings()
           .verify_transform_tree_calculations;
-  SkColor color = root_layer->layer_tree_host()->background_color();
+  SkColor color = root_layer->GetLayerTree()->background_color();
   if (SkColorGetA(color) != 255)
     color = SkColorSetA(color, 255);
   BuildPropertyTreesTopLevelInternal(