One allocation for an SkData which makes a copy.

tests/DataRefTest.cpp

Index: tests/DataRefTest.cpp
===================================================================
--- tests/DataRefTest.cpp	(revision 9702)
+++ tests/DataRefTest.cpp	(working copy)
@@ -229,11 +229,16 @@
 
 static void* gGlobal;
 
-static void delete_int_proc(const void* ptr, size_t len, void* context) {
-    int* data = (int*)ptr;
-    SkASSERT(context == gGlobal);
-    delete[] data;
-}
+struct DeleteIntFunctor {
+    explicit DeleteIntFunctor(void* context) : fContext(context) { }
+    void operator()(const void* ptr, size_t len) const {
+        int* data = (int*)ptr;
+        SkASSERT(fContext == gGlobal);
+        delete[] data;
+    }
+private:
+    void* fContext;
+};
 
 static void assert_len(skiatest::Reporter* reporter, SkData* ref, size_t len) {
     REPORTER_ASSERT(reporter, ref->size() == len);
@@ -299,7 +304,7 @@
     SkAutoTUnref<SkData> r0(SkData::NewEmpty());
     SkAutoTUnref<SkData> r1(SkData::NewWithCopy(str, strlen(str)));
     SkAutoTUnref<SkData> r2(SkData::NewWithProc(new int[N], N*sizeof(int),
-                                           delete_int_proc, gGlobal));
+                                                DeleteIntFunctor(gGlobal)));
     SkAutoTUnref<SkData> r3(SkData::NewSubset(r1, 7, 6));
 
     assert_len(reporter, r0, 0);