Revert of Remove DrawFace enum from GrPipelineBuilder

include/gpu/GrTypesPriv.h

Index: include/gpu/GrTypesPriv.h
diff --git a/include/gpu/GrTypesPriv.h b/include/gpu/GrTypesPriv.h
index abbfdfca064548e0f1f4480e916a275827cc7cb7..5168ac91a175c9bb6935b4b73bfafeae8cc061ea 100644
--- a/include/gpu/GrTypesPriv.h
+++ b/include/gpu/GrTypesPriv.h
@@ -55,14 +55,6 @@
     kFragment_GrShaderFlag = 1 << kFragment_GrShaderType
 };
 GR_MAKE_BITFIELD_OPS(GrShaderFlags);
-
-enum class GrDrawFace {
-    kInvalid = -1,
-
-    kBoth,
-    kCCW,
-    kCW,
-};
 
 /**
  * Precisions of shader language variables. Not all shading languages support precisions or actually