Add more specialized fragment builders

src/gpu/glsl/GrGLSLVarying.cpp

Index: src/gpu/glsl/GrGLSLVarying.cpp
diff --git a/src/gpu/glsl/GrGLSLVarying.cpp b/src/gpu/glsl/GrGLSLVarying.cpp
index 99bfe7e18f696ea4ec0da5263f335370a97ba3e7..d124e77b679b5818818148ac99820d5269c6ab88 100644
--- a/src/gpu/glsl/GrGLSLVarying.cpp
+++ b/src/gpu/glsl/GrGLSLVarying.cpp
@@ -96,7 +96,7 @@ void GrGLSLVaryingHandler::setNoPerspective() {
         return;
     }
     if (const char* extension = caps.noperspectiveInterpolationExtensionString()) {
-        int bit = 1 << GrGLSLFragmentShaderBuilder::kNoPerspectiveInterpolation_GLSLPrivateFeature;
+        int bit = 1 << GrGLSLFragmentBuilder::kNoPerspectiveInterpolation_GLSLPrivateFeature;
         fProgramBuilder->fVS.addFeature(bit, extension);
         if (fProgramBuilder->primitiveProcessor().willUseGeoShader()) {
             fProgramBuilder->fGS.addFeature(bit, extension);