CC Animation: Erase cc::LayerSettings everywhere.

cc/trees/layer_tree_host_pixeltest_synchronous.cc

Index: cc/trees/layer_tree_host_pixeltest_synchronous.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_synchronous.cc b/cc/trees/layer_tree_host_pixeltest_synchronous.cc
index dbddedf686c9d82edd1f30825f200e6940188835..55619064a22811a1acc653cc3374db1d0e8b9257 100644
--- a/cc/trees/layer_tree_host_pixeltest_synchronous.cc
+++ b/cc/trees/layer_tree_host_pixeltest_synchronous.cc
@@ -38,8 +38,7 @@ TEST_F(LayerTreeHostSynchronousPixelTest, OneContentLayer) {
   SkPaint green_paint;
   green_paint.setColor(SkColorSetARGB(255, 0, 255, 0));
   client.add_draw_rect(gfx::Rect(bounds), green_paint);
-  scoped_refptr<PictureLayer> root =
-      PictureLayer::Create(layer_settings(), &client);
+  scoped_refptr<PictureLayer> root = PictureLayer::Create(&client);
   root->SetBounds(bounds);
   root->SetIsDrawable(true);
 
@@ -70,8 +69,7 @@ TEST_F(LayerTreeHostSynchronousGPUPixelTest, OneContentLayer) {
   SkPaint green_paint;
   green_paint.setColor(SkColorSetARGB(255, 0, 255, 0));
   client.add_draw_rect(gfx::Rect(bounds), green_paint);
-  scoped_refptr<PictureLayer> root =
-      PictureLayer::Create(layer_settings(), &client);
+  scoped_refptr<PictureLayer> root = PictureLayer::Create(&client);
   root->SetBounds(bounds);
   client.set_bounds(bounds);
   root->SetIsDrawable(true);