Use transfer buffer for BatchAtlas texture copies

src/gpu/GrResourceProvider.cpp

Index: src/gpu/GrResourceProvider.cpp
diff --git a/src/gpu/GrResourceProvider.cpp b/src/gpu/GrResourceProvider.cpp
index b63a7eaa458ed2323b82f32baa16b23ee3187f3f..173b5606f29daa9a6766cf371f72db7d02df631b 100644
--- a/src/gpu/GrResourceProvider.cpp
+++ b/src/gpu/GrResourceProvider.cpp
@@ -153,7 +153,8 @@ GrBatchAtlas* GrResourceProvider::createAtlas(GrPixelConfig config,
     if (!texture) {
         return nullptr;
     }
-    GrBatchAtlas* atlas = new GrBatchAtlas(texture, numPlotsX, numPlotsY);
+    GrBatchAtlas* atlas = new GrBatchAtlas(this, texture, 
+                                           numPlotsX, numPlotsY);
     atlas->registerEvictionCallback(func, data);
     return atlas;
 }