CC Animation: Erase cc::LayerSettings everywhere.

cc/layers/picture_image_layer.cc

Index: cc/layers/picture_image_layer.cc
diff --git a/cc/layers/picture_image_layer.cc b/cc/layers/picture_image_layer.cc
index b5a55c237d081c1e488464418b2ed1b6eeb41cd3..05cbb0c331f1e53766709fca8e04dd3df54b704d 100644
--- a/cc/layers/picture_image_layer.cc
+++ b/cc/layers/picture_image_layer.cc
@@ -16,14 +16,11 @@
 
 namespace cc {
 
-scoped_refptr<PictureImageLayer> PictureImageLayer::Create(
-    const LayerSettings& settings) {
-  return make_scoped_refptr(new PictureImageLayer(settings));
+scoped_refptr<PictureImageLayer> PictureImageLayer::Create() {
+  return make_scoped_refptr(new PictureImageLayer());
 }
 
-PictureImageLayer::PictureImageLayer(const LayerSettings& settings)
-    : PictureLayer(settings, this) {
-}
+PictureImageLayer::PictureImageLayer() : PictureLayer(this) {}
 
 PictureImageLayer::~PictureImageLayer() {
   ClearClient();