Handle stroked single line special case in Ganesh

src/gpu/SkGpuDevice.h

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkGpuDevice_DEFINED
 #define SkGpuDevice_DEFINED
 
@@ skipping 234 matching lines @@
                                  const GrClip&,
                                  const SkPaint&);
 
     bool drawFilledDRRect(const SkMatrix& viewMatrix, const SkRRect& outer,
                           const SkRRect& inner, const SkPaint& paint);
 
     void drawProducerNine(const SkDraw&, GrTextureProducer*, const SkIRect& center,
                           const SkRect& dst, const SkPaint&);
 
     bool drawDashLine(const SkPoint pts[2], const SkPaint& paint);
+    void drawStrokedLine(const SkPoint pts[2], const SkDraw&, const SkPaint&);
 
     static sk_sp<GrDrawContext> CreateDrawContext(GrContext*,
                                                   SkBudgeted,
                                                   const SkImageInfo&,
                                                   int sampleCount,
                                                   const SkSurfaceProps*);
 
     void drawSpriteWithFilter(const SkDraw&, const SkBitmap&, int x, int y,
                               const SkPaint&) override;
 
     friend class GrAtlasTextContext;
     friend class SkSurface_Gpu;      // for access to surfaceProps
     typedef SkBaseDevice INHERITED;
 };
 
 #endif