Remove texel buffer support.

Change-Id: Ia6f21afe714208979a5bc384e436b28ea2b9a297
Reviewed-on: https://skia-review.googlesource.com/141051
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/glsl/GrGLSLFragmentProcessor.cpp b/src/gpu/glsl/GrGLSLFragmentProcessor.cpp
index 8f92002..49b518f 100644
--- a/src/gpu/glsl/GrGLSLFragmentProcessor.cpp
+++ b/src/gpu/glsl/GrGLSLFragmentProcessor.cpp
@@ -48,7 +48,6 @@
                              fragBuilder->getMangleString().c_str(), childProc.name());
     TransformedCoordVars coordVars = args.fTransformedCoords.childInputs(childIndex);
     TextureSamplers textureSamplers = args.fTexSamplers.childInputs(childIndex);
-    TexelBuffers texelBuffers = args.fTexelBuffers.childInputs(childIndex);
     EmitArgs childArgs(fragBuilder,
                        args.fUniformHandler,
                        args.fShaderCaps,
@@ -56,8 +55,7 @@
                        outputColor,
                        inputColor,
                        coordVars,
-                       textureSamplers,
-                       texelBuffers);
+                       textureSamplers);
     this->childProcessor(childIndex)->emitCode(childArgs);
     fragBuilder->codeAppend("}\n");