Remove unneeded GrGLSLTransformedCoordsArray type

src/gpu/effects/GrConvolutionEffect.cpp

Index: src/gpu/effects/GrConvolutionEffect.cpp
diff --git a/src/gpu/effects/GrConvolutionEffect.cpp b/src/gpu/effects/GrConvolutionEffect.cpp
index 2266c47eeb60355d73c18205b8375cbd8f6f847e..59f7ab19e36c56b76106be9b19b225c68fc54653 100644
--- a/src/gpu/effects/GrConvolutionEffect.cpp
+++ b/src/gpu/effects/GrConvolutionEffect.cpp
@@ -54,7 +54,7 @@ void GrGLConvolutionEffect::emitCode(EmitArgs& args) {
                                                  "Kernel", arrayCount);
 
     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
-    SkString coords2D = fragBuilder->ensureFSCoords2D(args.fCoords, 0);
+    SkString coords2D = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]);
 
     fragBuilder->codeAppendf("%s = vec4(0, 0, 0, 0);", args.fOutputColor);