Convert GrClip to an abstract base class

src/gpu/GrTextureParamsAdjuster.cpp

Index: src/gpu/GrTextureParamsAdjuster.cpp
diff --git a/src/gpu/GrTextureParamsAdjuster.cpp b/src/gpu/GrTextureParamsAdjuster.cpp
index 3c4769b96e7f1a7404bc0ff272aa598d5b567a8b..a91ba8a5e37e65199944393bc30767d60c919cbc 100644
--- a/src/gpu/GrTextureParamsAdjuster.cpp
+++ b/src/gpu/GrTextureParamsAdjuster.cpp
@@ -119,7 +119,7 @@ static GrTexture* copy_on_gpu(GrTexture* inputTexture, const SkIRect* subset,
     }
 
     SkRect dstRect = SkRect::MakeWH(SkIntToScalar(rtDesc.fWidth), SkIntToScalar(rtDesc.fHeight));
-    drawContext->fillRectToRect(GrClip::WideOpen(), paint, SkMatrix::I(), dstRect, localRect);
+    drawContext->fillRectToRect(GrNoClip(), paint, SkMatrix::I(), dstRect, localRect);
     return copy.release();
 }