Revert of Remove calls to deprecated SkPDFDevice and SkPDFDocuemnt.

ui/gfx/skia_util.cc

Index: ui/gfx/skia_util.cc
diff --git a/ui/gfx/skia_util.cc b/ui/gfx/skia_util.cc
index 63827e37b2c6a9f3b9428dd2225c82f3cd751882..0bdf4e9a5080a158124d0d23a27d113294882e0c 100644
--- a/ui/gfx/skia_util.cc
+++ b/ui/gfx/skia_util.cc
@@ -45,15 +45,6 @@
                SkScalarToFloat(rect.y()),
                SkScalarToFloat(rect.width()),
                SkScalarToFloat(rect.height()));
-}
-
-SkSize SizeFToSkSize(const SizeF& size) {
-  return SkSize::Make(SkFloatToScalar(size.width()),
-                      SkFloatToScalar(size.height()));
-}
-
-SizeF SkSizeToSizeF(const SkSize& size) {
-  return SizeF(SkScalarToFloat(size.width()), SkScalarToFloat(size.height()));
 }
 
 void TransformToFlattenedSkMatrix(const gfx::Transform& transform,