CC Animation: Erase cc::LayerSettings everywhere.

cc/trees/layer_tree_host_pixeltest_tiles.cc

Index: cc/trees/layer_tree_host_pixeltest_tiles.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_tiles.cc b/cc/trees/layer_tree_host_pixeltest_tiles.cc
index fa315991550dcacaa91dbfb80f13219f7f843dd7..fecc47e9c64ba3b337d1e8fe5729de87a7983273 100644
--- a/cc/trees/layer_tree_host_pixeltest_tiles.cc
+++ b/cc/trees/layer_tree_host_pixeltest_tiles.cc
@@ -153,7 +153,7 @@ class LayerTreeHostTilesTestPartialInvalidation
  public:
   LayerTreeHostTilesTestPartialInvalidation()
       : client_(gfx::Size(200, 200)),
-        picture_layer_(PictureLayer::Create(layer_settings(), &client_)) {
+        picture_layer_(PictureLayer::Create(&client_)) {
     picture_layer_->SetBounds(gfx::Size(200, 200));
     picture_layer_->SetIsDrawable(true);
   }