Revert of Remove DrawFace enum from GrPipelineBuilder

src/gpu/GrPipelineBuilder.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrPipelineBuilder_DEFINED
 #define GrPipelineBuilder_DEFINED
 
@@ skipping 248 matching lines @@
             this->disableState(flags);
         }
     }
 
     /// @}
 
     ///////////////////////////////////////////////////////////////////////////
     /// @name Face Culling
     ////
 
+    enum DrawFace {
+        kInvalid_DrawFace = -1,
+
+        kBoth_DrawFace,
+        kCCW_DrawFace,
+        kCW_DrawFace,
+    };
+
     /**
      * Gets whether the target is drawing clockwise, counterclockwise,
      * or both faces.
      * @return the current draw face(s).
      */
-    GrDrawFace getDrawFace() const { return fDrawFace; }
+    DrawFace getDrawFace() const { return fDrawFace; }
 
     /**
      * Controls whether clockwise, counterclockwise, or both faces are drawn.
      * @param face  the face(s) to draw.
      */
-    void setDrawFace(GrDrawFace face) {
-        SkASSERT(GrDrawFace::kInvalid != face);
+    void setDrawFace(DrawFace face) {
+        SkASSERT(kInvalid_DrawFace != face);
         fDrawFace = face;
     }
 
     /// @}
 
     ///////////////////////////////////////////////////////////////////////////
 
     bool usePLSDstRead(const GrDrawBatch* batch) const;
 
 private:
     // Some of the auto restore objects assume that no effects are removed during their lifetime.
     // This is used to assert that this condition holds.
     SkDEBUGCODE(mutable int fBlockEffectRemovalCnt;)
 
     typedef SkSTArray<4, sk_sp<GrFragmentProcessor>> FragmentProcessorArray;
 
     uint32_t                                fFlags;
     const GrUserStencilSettings*            fUserStencilSettings;
-    GrDrawFace                              fDrawFace;
+    DrawFace                                fDrawFace;
     mutable sk_sp<GrXPFactory>              fXPFactory;
     FragmentProcessorArray                  fColorFragmentProcessors;
     FragmentProcessorArray                  fCoverageFragmentProcessors;
 
     friend class GrPipeline;
     friend class GrDrawTarget;
 };
 
 #endif