Follow up to serialization validation code

tests/DataRefTest.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "Test.h"
 #include "SkData.h"
 #include "SkDataSet.h"
@@ skipping 18 matching lines @@
 static void test_datatable_flatten(skiatest::Reporter* reporter,
                                    SkDataTable* table) {
     SkOrderedWriteBuffer wb(1024);
     wb.writeFlattenable(table);
 
     size_t wsize = wb.size();
     SkAutoMalloc storage(wsize);
     wb.writeToMemory(storage.get());
 
     SkOrderedReadBuffer rb(storage.get(), wsize);
-    SkAutoTUnref<SkDataTable> newTable((SkDataTable*)rb.readFlattenable());
+    SkAutoTUnref<SkDataTable> newTable(rb.readFlattenableT<SkDataTable>());
 
     test_is_equal(reporter, table, newTable);
 }
 
 static void test_datatable_is_empty(skiatest::Reporter* reporter,
                                     SkDataTable* table) {
     REPORTER_ASSERT(reporter, table->isEmpty());
     REPORTER_ASSERT(reporter, 0 == table->count());
     test_datatable_flatten(reporter, table);
 }
@@ skipping 268 matching lines @@
     tmp->unref();
 
     test_cstring(reporter);
     test_dataset(reporter);
     test_files(reporter);
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS("Data", DataTestClass, TestData)
 DEFINE_TESTCLASS("DataTable", DataTableTestClass, TestDataTable)