Revert "Revert "SkTypes: extract SkTo""

This reverts commit fdcfb8b7c23fbf18f872d2c31d27978235033876.

> Original change's description:
> > SkTypes: extract SkTo
> >
> > Change-Id: I8de790d5013db2105ad885fa2683303d7c250b09
> > Reviewed-on: https://skia-review.googlesource.com/133620
> > Reviewed-by: Mike Klein <mtklein@google.com>

Change-Id: Ida74fbc5c21248a724a5edbf9fae18a33bcb23aa
Reviewed-on: https://skia-review.googlesource.com/134506
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
diff --git a/tools/skpinfo.cpp b/tools/skpinfo.cpp
index 93834bb..53ea8f3 100644
--- a/tools/skpinfo.cpp
+++ b/tools/skpinfo.cpp
@@ -6,11 +6,12 @@
  */
 
 #include "SkCommandLineFlags.h"
-#include "SkPicture.h"
-#include "SkPictureData.h"
-#include "SkPictureCommon.h"
-#include "SkStream.h"
 #include "SkFontDescriptor.h"
+#include "SkPicture.h"
+#include "SkPictureCommon.h"
+#include "SkPictureData.h"
+#include "SkStream.h"
+#include "SkTo.h"
 
 DEFINE_string2(input, i, "", "skp on which to report");
 DEFINE_bool2(version, v, true, "version");