Move (uppercase) JS builtins from js builtins object to native context.

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 236a79c7919a9dbe038a30ad6037758b04e67957..582ce53b98121f96a013d71971695a9a9cea10a7 100644
--- a/src/runtime/runtime-internal.cc
+++ b/src/runtime/runtime-internal.cc
@@ -62,16 +62,6 @@ RUNTIME_FUNCTION(Runtime_InstallToContext) {
 }
 
 
-RUNTIME_FUNCTION(Runtime_InstallJSBuiltins) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, container, 0);
-  RUNTIME_ASSERT(isolate->bootstrapper()->IsActive());
-  Bootstrapper::InstallJSBuiltins(isolate, container);
-  return isolate->heap()->undefined_value();
-}
-
-
 RUNTIME_FUNCTION(Runtime_Throw) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);