Update from https://crrev.com/308996

cc/resources/picture_pile_impl.cc

Index: cc/resources/picture_pile_impl.cc
diff --git a/cc/resources/picture_pile_impl.cc b/cc/resources/picture_pile_impl.cc
index 5cd7bd6afc43dbe43f59bc5bb517f3f841fd5a0a..93d84c1ba1dd60cef4657bf5fa8ce9f9efdd0af3 100644
--- a/cc/resources/picture_pile_impl.cc
+++ b/cc/resources/picture_pile_impl.cc
@@ -28,10 +28,6 @@ const bool kDefaultClearCanvasSetting = true;
 
 namespace cc {
 
-scoped_refptr<PicturePileImpl> PicturePileImpl::Create() {
-  return make_scoped_refptr(new PicturePileImpl);
-}
-
 scoped_refptr<PicturePileImpl> PicturePileImpl::CreateFromPicturePile(
     const PicturePile* other) {
   return make_scoped_refptr(new PicturePileImpl(other));