Rename "global context" to "native context",

src/string-stream.cc

Index: src/string-stream.cc
diff --git a/src/string-stream.cc b/src/string-stream.cc
index 270fe5a40d98fae2d5b2214584d2c53110c1b9c8..51aa2bb3291f9af2bbde544fb9034bb25fc3cd00 100644
--- a/src/string-stream.cc
+++ b/src/string-stream.cc
@@ -469,7 +469,7 @@ void StringStream::PrintSecurityTokenIfChanged(Object* f) {
       Add("(Function context is outside heap)\n");
       return;
     }
-    Object* token = context->global_context()->security_token();
+    Object* token = context->native_context()->security_token();
     if (token != isolate->string_stream_current_security_token()) {
       Add("Security context: %o\n", token);
       isolate->set_string_stream_current_security_token(token);