Implement 'dart:typeddata' directly in the VM instead of using 'dart:scalarlist'

runtime/vm/bootstrap_natives.cc

Index: runtime/vm/bootstrap_natives.cc
===================================================================
--- runtime/vm/bootstrap_natives.cc	(revision 19594)
+++ runtime/vm/bootstrap_natives.cc	(working copy)
@@ -79,6 +79,10 @@
   library = Library::ScalarlistLibrary();
   ASSERT(!library.IsNull());
   library.set_native_entry_resolver(resolver);
+
+  library = Library::TypedDataLibrary();
+  ASSERT(!library.IsNull());
+  library.set_native_entry_resolver(resolver);
 }
 
 }  // namespace dart