Clean up calls to ToSkPicture

cc/paint/paint_record.h

Index: cc/paint/paint_record.h
diff --git a/cc/paint/paint_record.h b/cc/paint/paint_record.h
index 92c7503b3b1ab7f60c96e9b63e4585a7f057fca0..8506606b59f2d7ddfc3ac1a996c6f0cf23067704 100644
--- a/cc/paint/paint_record.h
+++ b/cc/paint/paint_record.h
@@ -11,14 +11,6 @@ namespace cc {
 
 using PaintRecord = SkPicture;
 
-inline const SkPicture* ToSkPicture(const PaintRecord* record) {
-  return record;
-}
-
-inline SkPicture* ToSkPicture(PaintRecord* record) {
-  return record;
-}
-
 inline sk_sp<SkPicture> ToSkPicture(sk_sp<PaintRecord> record) {
   return record;
 }