Remove precision from GrGLSLVaryingHandler

(It's built into the types now.)

Bug: skia:
Change-Id: I44edc6e71098cf74387091903e920b1dd929b103
Reviewed-on: https://skia-review.googlesource.com/59880
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
diff --git a/src/gpu/effects/GrBezierEffect.cpp b/src/gpu/effects/GrBezierEffect.cpp
index 0b4ee07..0eb417a 100644
--- a/src/gpu/effects/GrBezierEffect.cpp
+++ b/src/gpu/effects/GrBezierEffect.cpp
@@ -78,7 +78,7 @@
     varyingHandler->emitAttributes(gp);
 
     GrGLSLVertToFrag v(kFloat4_GrSLType);
-    varyingHandler->addVarying("ConicCoeffs", &v, kHigh_GrSLPrecision);
+    varyingHandler->addVarying("ConicCoeffs", &v);
     vertBuilder->codeAppendf("%s = %s;", v.vsOut(), gp.inConicCoeffs()->fName);
 
     GrGLSLPPFragmentBuilder* fragBuilder = args.fFragBuilder;
@@ -555,14 +555,14 @@
     fDevKLMUniform = uniformHandler->addUniform(kVertex_GrShaderFlag, kFloat3x3_GrSLType, "KLM",
                                                 &devkLMMatrixName);
     GrGLSLVertToFrag v(kFloat3_GrSLType);
-    varyingHandler->addVarying("CubicCoeffs", &v, kHigh_GrSLPrecision);
+    varyingHandler->addVarying("CubicCoeffs", &v);
     vertBuilder->codeAppendf("%s = %s * float3(%s, 1);",
                              v.vsOut(), devkLMMatrixName, gpArgs->fPositionVar.c_str());
 
 
     GrGLSLVertToFrag gradCoeffs(kFloat4_GrSLType);
     if (kFillAA_GrProcessorEdgeType == fEdgeType || kHairlineAA_GrProcessorEdgeType == fEdgeType) {
-        varyingHandler->addVarying("GradCoeffs", &gradCoeffs, kHigh_GrSLPrecision);
+        varyingHandler->addVarying("GradCoeffs", &gradCoeffs);
         vertBuilder->codeAppendf("float k = %s[0], l = %s[1], m = %s[2];",
                                  v.vsOut(), v.vsOut(), v.vsOut());
         vertBuilder->codeAppendf("float2 gk = float2(%s[0][0], %s[1][0]), "