[C++11 Allowed Features] Declares a type-safe null pointer converting from NULL to nullptr [part-…

cc/trees/layer_tree_host_common.cc

Index: cc/trees/layer_tree_host_common.cc
diff --git a/cc/trees/layer_tree_host_common.cc b/cc/trees/layer_tree_host_common.cc
index 3bd1e79d90c8b7b43feeb66a953aaaca71e5e6ba..e56eb3c0220db357fa1aa9b8c26fc26097f24a5b 100644
--- a/cc/trees/layer_tree_host_common.cc
+++ b/cc/trees/layer_tree_host_common.cc
@@ -954,7 +954,7 @@ static inline void CalculateContentsScale(Layer* layer, float contents_scale) {
   }
 
   Layer* replica_mask_layer =
-      layer->replica_layer() ? layer->replica_layer()->mask_layer() : NULL;
+      layer->replica_layer() ? layer->replica_layer()->mask_layer() : nullptr;
   if (replica_mask_layer) {
     replica_mask_layer->CalculateContentsScale(
         contents_scale,
@@ -1755,7 +1755,7 @@ static void CalculateDrawPropertiesInternal(
   }
 
   LayerType* replica_mask_layer =
-      layer->replica_layer() ? layer->replica_layer()->mask_layer() : NULL;
+      layer->replica_layer() ? layer->replica_layer()->mask_layer() : nullptr;
   if (replica_mask_layer) {
     UpdateLayerScaleDrawProperties(
         replica_mask_layer,
@@ -2361,7 +2361,7 @@ static void ProcessCalcDrawPropsInputs(
   scaled_device_transform.Scale(inputs.device_scale_factor,
                                 inputs.device_scale_factor);
 
-  globals->layer_sorter = NULL;
+  globals->layer_sorter = nullptr;
   globals->max_texture_size = inputs.max_texture_size;
   globals->device_scale_factor =
       inputs.device_scale_factor * device_transform_scale;
@@ -2381,7 +2381,7 @@ static void ProcessCalcDrawPropsInputs(
   data_for_recursion->maximum_animation_contents_scale = 0.f;
   data_for_recursion->ancestor_is_animating_scale = false;
   data_for_recursion->ancestor_clips_subtree = true;
-  data_for_recursion->nearest_occlusion_immune_ancestor_surface = NULL;
+  data_for_recursion->nearest_occlusion_immune_ancestor_surface = nullptr;
   data_for_recursion->in_subtree_of_page_scale_application_layer = false;
   data_for_recursion->subtree_can_use_lcd_text = inputs.can_use_lcd_text;
   data_for_recursion->subtree_is_visible_from_ancestor = true;