Parsing: Make Parser not know about Isolate during background parsing.

src/runtime/runtime-internal.cc

Index: src/runtime/runtime-internal.cc
diff --git a/src/runtime/runtime-internal.cc b/src/runtime/runtime-internal.cc
index bd61c46e36af40afb323d0ea0e24eb66cdd1b654..50b61921f59ed8916841e8a4edfd404a3b66208d 100644
--- a/src/runtime/runtime-internal.cc
+++ b/src/runtime/runtime-internal.cc
@@ -166,7 +166,7 @@ RUNTIME_FUNCTION(Runtime_RenderCallSite) {
   Zone zone;
   if (location.function()->shared()->is_function()) {
     CompilationInfo info(location.function(), &zone);
-    if (!Parser::Parse(&info)) {
+    if (!Parser::ParseStatic(&info)) {
       isolate->clear_pending_exception();
       return isolate->heap()->empty_string();
     }
@@ -176,7 +176,7 @@ RUNTIME_FUNCTION(Runtime_RenderCallSite) {
   }
 
   CompilationInfo info(location.script(), &zone);
-  if (!Parser::Parse(&info)) {
+  if (!Parser::ParseStatic(&info)) {
     isolate->clear_pending_exception();
     return isolate->heap()->empty_string();
   }