Remove createUncachedTexture function, attempt to recycle scratch in createTexture.

src/gpu/SkGrPixelRef.cpp

Index: src/gpu/SkGrPixelRef.cpp
diff --git a/src/gpu/SkGrPixelRef.cpp b/src/gpu/SkGrPixelRef.cpp
index f752bf0001e02baedad313accb609daac54b34a7..bc178799679961ab9fb9ac41ca1edb078a851bec 100644
--- a/src/gpu/SkGrPixelRef.cpp
+++ b/src/gpu/SkGrPixelRef.cpp
@@ -80,7 +80,7 @@ static SkGrPixelRef* copy_to_new_texture_pixelref(GrTexture* texture, SkColorTyp
     desc.fFlags = kRenderTarget_GrSurfaceFlag | kNoStencil_GrSurfaceFlag;
     desc.fConfig = SkImageInfo2GrPixelConfig(dstCT, kPremul_SkAlphaType, dstPT);
 
-    GrTexture* dst = context->createUncachedTexture(desc, NULL, 0);
+    GrTexture* dst = context->createTexture(desc, false, NULL, 0);
     if (NULL == dst) {
         return NULL;
     }