Remove RestartFrame from live edit API

test/mjsunit/debug-liveedit-restart-frame.js

Index: test/mjsunit/debug-liveedit-restart-frame.js
diff --git a/test/mjsunit/debug-liveedit-restart-frame.js b/test/mjsunit/debug-liveedit-restart-frame.js
index d978a9709fb0f7d394b9377d93b65c1fba1109c4..a3182d7bfa55a976899a37e7e360e2d7119e301f 100644
--- a/test/mjsunit/debug-liveedit-restart-frame.js
+++ b/test/mjsunit/debug-liveedit-restart-frame.js
@@ -97,8 +97,9 @@ function TestCase(test_scenario, expected_output) {
         return;
       }
       var frame = FindCallFrame(exec_state, change_code);
-      // Throws if fails.
-      Debug.LiveEdit.RestartFrame(frame);
+      var error = frame.restart();
+      if (typeof error === 'string')
+          throw new Error(error);
     }
   }