Create a internal, global native context used only for generated code stubs

test/cctest/test-object-observe.cc

Index: test/cctest/test-object-observe.cc
diff --git a/test/cctest/test-object-observe.cc b/test/cctest/test-object-observe.cc
index abbf2b7a6c00496156bf0e4ab27efb78eae4af53..37dde078fe97762bb0d720da3522d1f3194de330 100644
--- a/test/cctest/test-object-observe.cc
+++ b/test/cctest/test-object-observe.cc
@@ -711,7 +711,7 @@ TEST(DontLeakContextOnObserve) {
   }
 
   CcTest::isolate()->ContextDisposedNotification();
-  CheckSurvivingGlobalObjectsCount(1);
+  CheckSurvivingGlobalObjectsCount(2);
 }
 
 
@@ -732,7 +732,7 @@ TEST(DontLeakContextOnGetNotifier) {
   }
 
   CcTest::isolate()->ContextDisposedNotification();
-  CheckSurvivingGlobalObjectsCount(1);
+  CheckSurvivingGlobalObjectsCount(2);
 }
 
 
@@ -759,7 +759,7 @@ TEST(DontLeakContextOnNotifierPerformChange) {
   }
 
   CcTest::isolate()->ContextDisposedNotification();
-  CheckSurvivingGlobalObjectsCount(1);
+  CheckSurvivingGlobalObjectsCount(2);
 }