Revert of Stop flattening GrCoordTransforms in parent GrFragmentProcessors.

tests/PrimitiveProcessorTest.cpp

Index: tests/PrimitiveProcessorTest.cpp
diff --git a/tests/PrimitiveProcessorTest.cpp b/tests/PrimitiveProcessorTest.cpp
index fc53f1886d9c89836c99e2e7872955f57e00f788..55049ea098b7500781a072b7e842f2f7f1ed5f3a 100644
--- a/tests/PrimitiveProcessorTest.cpp
+++ b/tests/PrimitiveProcessorTest.cpp
@@ -70,8 +70,7 @@
                         this->setupPosition(args.fVertBuilder, gpArgs, gp.fAttribs[0].fName);
                     }
                     void setData(const GrGLSLProgramDataManager& pdman,
-                                 const GrPrimitiveProcessor& primProc,
-                                 FPCoordTransformIter&&) override {}
+                                 const GrPrimitiveProcessor& primProc) override {}
                 };
                 return new GLSLGP();
             }