Add another dollop of sk_sp to SkSpecialImage and SkSpecialSurface

src/core/SkSpecialSurface.h

Index: src/core/SkSpecialSurface.h
diff --git a/src/core/SkSpecialSurface.h b/src/core/SkSpecialSurface.h
index 6ed8a77da56ca079934058b0065e56a1e958360f..2135347e35a5ff4cabb8e38f74502d231d08d6fe 100644
--- a/src/core/SkSpecialSurface.h
+++ b/src/core/SkSpecialSurface.h
@@ -50,10 +50,11 @@ public:
     */
     sk_sp<SkSpecialImage> makeImageSnapshot();
 
+#if SK_SUPPORT_GPU
     /**
      *  Use an existing (renderTarget-capable) GrTexture as the backing store.
      */
-    static sk_sp<SkSpecialSurface> MakeFromTexture(const SkIRect& subset, GrTexture*,
+    static sk_sp<SkSpecialSurface> MakeFromTexture(const SkIRect& subset, sk_sp<GrTexture>,
                                                    const SkSurfaceProps* = nullptr);
 
     /**
@@ -62,6 +63,7 @@ public:
      */
     static sk_sp<SkSpecialSurface> MakeRenderTarget(GrContext*, const GrSurfaceDesc&,
                                                     const SkSurfaceProps* = nullptr);
+#endif
 
     /**
      * Use and existing SkBitmap as the backing store.