Make GrGLSLPrimitiveProcessor::emitTransforms take local coords as GrShaderVar.

Also remove unused position variable parameter.

Change-Id: I37f98a03ac1ca750810de13b08e3ffa11e41828c
Reviewed-on: https://skia-review.googlesource.com/81320
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/ccpr/GrCCPRPathProcessor.cpp b/src/gpu/ccpr/GrCCPRPathProcessor.cpp
index 612035a..be9f67a 100644
--- a/src/gpu/ccpr/GrCCPRPathProcessor.cpp
+++ b/src/gpu/ccpr/GrCCPRPathProcessor.cpp
@@ -172,7 +172,7 @@
                    proc.getInstanceAttrib(InstanceAttribs::kViewMatrix).fName,
                    proc.getInstanceAttrib(InstanceAttribs::kViewTranslate).fName);
 
-    this->emitTransforms(v, varyingHandler, uniHandler, gpArgs->fPositionVar, "pathcoord",
+    this->emitTransforms(v, varyingHandler, uniHandler, GrShaderVar("pathcoord", kFloat2_GrSLType),
                          args.fFPCoordTransformHandler);
 
     // Fragment shader.