Debugger: load debugger builtins as normal native JS.

test/mjsunit/debug-mirror-cache.js

Index: test/mjsunit/debug-mirror-cache.js
diff --git a/test/mjsunit/debug-mirror-cache.js b/test/mjsunit/debug-mirror-cache.js
index c690aa01332f98ebd79b8e2685733d5d452164c2..8ac6d9a70d993efc002df64eb8121a75e38fb3d0 100644
--- a/test/mjsunit/debug-mirror-cache.js
+++ b/test/mjsunit/debug-mirror-cache.js
@@ -51,8 +51,7 @@ function listener(event, exec_state, event_data, data) {
     listenerCallCount++;
 
     // Check that mirror cache is cleared when entering debugger.
-    assertEquals(0, debug.next_handle_, "Mirror cache not cleared");
-    assertEquals(0, debug.mirror_cache_.length, "Mirror cache not cleared");
+    assertTrue(debug.MirrorCacheIsEmpty(), "Mirror cache not cleared");
 
     // Get the debug command processor in paused state.
     var dcp = exec_state.debugCommandProcessor(false);
@@ -66,8 +65,7 @@ function listener(event, exec_state, event_data, data) {
     Debug.scripts();
 
     // Some mirrors where cached.
-    assertFalse(debug.next_handle_ == 0, "Mirror cache not used");
-    assertFalse(debug.mirror_cache_.length == 0, "Mirror cache not used");
+    assertFalse(debug.MirrorCacheIsEmpty(), "Mirror cache not used");
   }
   } catch (e) {
     print(e);