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/src/core/SkRasterPipelineBlitter.cpp b/src/core/SkRasterPipelineBlitter.cpp
index aa6b6e9..8b37bef 100644
--- a/src/core/SkRasterPipelineBlitter.cpp
+++ b/src/core/SkRasterPipelineBlitter.cpp
@@ -5,9 +5,10 @@
  * found in the LICENSE file.
  */
 
+#include "../jumper/SkJumper.h"
 #include "SkArenaAlloc.h"
-#include "SkBlitter.h"
 #include "SkBlendModePriv.h"
+#include "SkBlitter.h"
 #include "SkColor.h"
 #include "SkColorFilter.h"
 #include "SkColorSpaceXformer.h"
@@ -17,8 +18,8 @@
 #include "SkRasterPipeline.h"
 #include "SkShader.h"
 #include "SkShaderBase.h"
+#include "SkTo.h"
 #include "SkUtils.h"
-#include "../jumper/SkJumper.h"
 
 class SkRasterPipelineBlitter final : public SkBlitter {
 public: