Use transfer buffer for BatchAtlas texture copies

tools/gpu/GrTest.cpp

Index: tools/gpu/GrTest.cpp
diff --git a/tools/gpu/GrTest.cpp b/tools/gpu/GrTest.cpp
index b99cf06d60a00408f3a6cfc8cfa304c6a4e93875..dbb4e6526287c00e89445aca3bc2365d64d68006 100644
--- a/tools/gpu/GrTest.cpp
+++ b/tools/gpu/GrTest.cpp
@@ -318,6 +318,10 @@ public:
 
     void drawDebugWireRect(GrRenderTarget*, const SkIRect&, GrColor) override {}
 
+    GrFence SK_WARN_UNUSED_RESULT insertFence() const override { return 0; }
+    bool waitFence(GrFence) const override { return true; }
+    void deleteFence(GrFence) const override {}
+
 private:
     void onResetContext(uint32_t resetBits) override {}
 
@@ -365,7 +369,7 @@ private:
         return false;
     }
 
-    bool onTransferPixels(GrSurface* surface,
+    bool onTransferPixels(GrTexture* texture,
                           int left, int top, int width, int height,
                           GrPixelConfig config, GrBuffer* transferBuffer,
                           size_t offset, size_t rowBytes) override {