Remove GrFragmentProcessor::Iter.

We only ever use CIter.

Change-Id: Ifb0ca12931f583173379c90429ec9c8ead7bdd5b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/301385
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
diff --git a/src/gpu/glsl/GrGLSLProgramBuilder.cpp b/src/gpu/glsl/GrGLSLProgramBuilder.cpp
index 22be124..e8e5aaf 100644
--- a/src/gpu/glsl/GrGLSLProgramBuilder.cpp
+++ b/src/gpu/glsl/GrGLSLProgramBuilder.cpp
@@ -141,7 +141,7 @@
         fFragmentProcessors[i] = std::unique_ptr<GrGLSLFragmentProcessor>(fp.createGLSLInstance());
         output = this->emitFragProc(fp, *fFragmentProcessors[i], transformedCoordVarsIdx, **inOut,
                                     output);
-        for (const auto& subFP : GrFragmentProcessor::FPCRange(fp)) {
+        for (const auto& subFP : GrFragmentProcessor::FPRange(fp)) {
             transformedCoordVarsIdx += subFP.numVaryingCoordsUsed();
         }
         **inOut = output;