converted YUVEffect to SkSL

Bug: skia:
Change-Id: I1875e44417a0a583c4f35ee4d46856a34ba55245
Reviewed-on: https://skia-review.googlesource.com/88580
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
diff --git a/gn/gpu.gni b/gn/gpu.gni
index fb512bf..fee613c 100644
--- a/gn/gpu.gni
+++ b/gn/gpu.gni
@@ -384,8 +384,8 @@
   "$_src/gpu/effects/GrUnpremulInputFragmentProcessor.h",
   "$_src/gpu/effects/GrXfermodeFragmentProcessor.cpp",
   "$_src/gpu/effects/GrXfermodeFragmentProcessor.h",
-  "$_src/gpu/effects/GrYUVEffect.cpp",
-  "$_src/gpu/effects/GrYUVEffect.h",
+  "$_src/gpu/effects/GrYUVtoRGBEffect.cpp",
+  "$_src/gpu/effects/GrYUVtoRGBEffect.h",
 
   # text
   "$_src/gpu/text/GrAtlasGlyphCache.cpp",