Refactor snapshots pieces to include a section for loading instructions into the heap of a regular …

runtime/vm/isolate_test.cc

Index: runtime/vm/isolate_test.cc
diff --git a/runtime/vm/isolate_test.cc b/runtime/vm/isolate_test.cc
index a7eab10b65d3a67a1c1dfeeca8006a9cfc24e33b..43bbd09fc4bf9a51b53caf1477e792be862f6d56 100644
--- a/runtime/vm/isolate_test.cc
+++ b/runtime/vm/isolate_test.cc
@@ -15,7 +15,8 @@ namespace dart {
 
 UNIT_TEST_CASE(IsolateCurrent) {
   Dart_Isolate isolate = Dart_CreateIsolate(
-      NULL, NULL, bin::core_isolate_snapshot_buffer, NULL, NULL, NULL);
+      NULL, NULL, bin::core_isolate_snapshot_data,
+      bin::core_isolate_snapshot_instructions, NULL, NULL, NULL);
   EXPECT_EQ(isolate, Dart_CurrentIsolate());
   Dart_ShutdownIsolate();
   EXPECT_EQ(reinterpret_cast<Dart_Isolate>(NULL), Dart_CurrentIsolate());