Final step towards loading core library scripts directly from the sources

runtime/bin/builtin_in.cc

Index: runtime/bin/builtin_in.cc
===================================================================
--- runtime/bin/builtin_in.cc	(revision 22513)
+++ runtime/bin/builtin_in.cc	(working copy)
@@ -2,12 +2,12 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-#include "{{INCLUDE}}"
+#include "{{INCLUDE}}" // NOLINT
 
-// The string on the next line will be filled in with the contents of the
-// builtin.dart file.
-// This string forms the content of builtin functionality which is injected
-// into standalone dart to provide some test/debug functionality.
-const char {{VAR_NAME}}[] = {
-  {{DART_SOURCE}}
+// This file is used to generate the mapping of standalone dart libraries
+// to the corresponding files that implement them.
+const char* {{VAR_NAME}}[] = {
+{{LIBRARY_SOURCE_MAP}}
+{{PART_SOURCE_MAP}}
+  NULL, NULL
 };