Remove unused varying type param from GrGLSLShaderBuilder texture methods.

Change-Id: Icbe887266d201bc6d64555f0e793765bf641e4b6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/262230
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Auto-Submit: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/glsl/GrGLSLShaderBuilder.cpp b/src/gpu/glsl/GrGLSLShaderBuilder.cpp
index 452768a..827eef7 100644
--- a/src/gpu/glsl/GrGLSLShaderBuilder.cpp
+++ b/src/gpu/glsl/GrGLSLShaderBuilder.cpp
@@ -69,8 +69,7 @@
 
 void GrGLSLShaderBuilder::appendTextureLookup(SkString* out,
                                               SamplerHandle samplerHandle,
-                                              const char* coordName,
-                                              GrSLType varyingType) const {
+                                              const char* coordName) const {
     const char* sampler = fProgramBuilder->samplerVariable(samplerHandle);
     out->appendf("sample(%s, %s)", sampler, coordName);
     append_texture_swizzle(out, fProgramBuilder->samplerSwizzle(samplerHandle));
@@ -78,10 +77,9 @@
 
 void GrGLSLShaderBuilder::appendTextureLookup(SamplerHandle samplerHandle,
                                               const char* coordName,
-                                              GrSLType varyingType,
                                               GrGLSLColorSpaceXformHelper* colorXformHelper) {
     SkString lookup;
-    this->appendTextureLookup(&lookup, samplerHandle, coordName, varyingType);
+    this->appendTextureLookup(&lookup, samplerHandle, coordName);
     this->appendColorGamutXform(lookup.c_str(), colorXformHelper);
 }
 
@@ -90,14 +88,13 @@
         SkBlendMode mode,
         SamplerHandle samplerHandle,
         const char* coordName,
-        GrSLType varyingType,
         GrGLSLColorSpaceXformHelper* colorXformHelper) {
     if (!dst) {
         dst = "half4(1)";
     }
     SkString lookup;
     this->codeAppendf("%s(", GrGLSLBlend::BlendFuncName(mode));
-    this->appendTextureLookup(&lookup, samplerHandle, coordName, varyingType);
+    this->appendTextureLookup(&lookup, samplerHandle, coordName);
     this->appendColorGamutXform(lookup.c_str(), colorXformHelper);
     this->codeAppendf(", %s)", dst);
 }