Drop unused shader support for sample variables

Bug: skia:
Change-Id: I9e2b7da8c916703027d8dd4303ae67f4e69bcf87
Reviewed-on: https://skia-review.googlesource.com/107356
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
diff --git a/src/gpu/effects/GrDistanceFieldGeoProc.cpp b/src/gpu/effects/GrDistanceFieldGeoProc.cpp
index 8a1a4de..4b743b0 100644
--- a/src/gpu/effects/GrDistanceFieldGeoProc.cpp
+++ b/src/gpu/effects/GrDistanceFieldGeoProc.cpp
@@ -27,7 +27,7 @@
     void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override{
         const GrDistanceFieldA8TextGeoProc& dfTexEffect =
                 args.fGP.cast<GrDistanceFieldA8TextGeoProc>();
-        GrGLSLPPFragmentBuilder* fragBuilder = args.fFragBuilder;
+        GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
 
         GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder;
         GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler;
@@ -309,7 +309,7 @@
         const GrDistanceFieldPathGeoProc& dfPathEffect =
                 args.fGP.cast<GrDistanceFieldPathGeoProc>();
 
-        GrGLSLPPFragmentBuilder* fragBuilder = args.fFragBuilder;
+        GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
 
         GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder;
         GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler;
@@ -592,7 +592,7 @@
                                                           "AtlasSizeInv",
                                                           &atlasSizeInvName);
 
-        GrGLSLPPFragmentBuilder* fragBuilder = args.fFragBuilder;
+        GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
 
         // setup pass through color
         varyingHandler->addPassThroughAttribute(dfTexEffect.inColor(), args.fOutputColor);