Revert of [debugger] do not restart frames that reference new.target for liveedit.

src/runtime/runtime-liveedit.cc

Index: src/runtime/runtime-liveedit.cc
diff --git a/src/runtime/runtime-liveedit.cc b/src/runtime/runtime-liveedit.cc
index 189ec08d33d4428a3674d29564c583549fbd27b5..dd3405a44cd811f74f1d7ac61a80ceef4a0979b4 100644
--- a/src/runtime/runtime-liveedit.cc
+++ b/src/runtime/runtime-liveedit.cc
@@ -200,34 +200,22 @@
 RUNTIME_FUNCTION(Runtime_LiveEditCheckAndDropActivations) {
   HandleScope scope(isolate);
   CHECK(isolate->debug()->live_edit_enabled());
-  DCHECK(args.length() == 3);
-  CONVERT_ARG_HANDLE_CHECKED(JSArray, old_shared_array, 0);
-  CONVERT_ARG_HANDLE_CHECKED(JSArray, new_shared_array, 1);
-  CONVERT_BOOLEAN_ARG_CHECKED(do_drop, 2);
-  USE(new_shared_array);
-  RUNTIME_ASSERT(old_shared_array->length()->IsSmi());
-  RUNTIME_ASSERT(new_shared_array->length() == old_shared_array->length());
-  RUNTIME_ASSERT(old_shared_array->HasFastElements())
-  RUNTIME_ASSERT(new_shared_array->HasFastElements())
-  int array_length = Smi::cast(old_shared_array->length())->value();
+  DCHECK(args.length() == 2);
+  CONVERT_ARG_HANDLE_CHECKED(JSArray, shared_array, 0);
+  CONVERT_BOOLEAN_ARG_CHECKED(do_drop, 1);
+  RUNTIME_ASSERT(shared_array->length()->IsSmi());
+  RUNTIME_ASSERT(shared_array->HasFastElements())
+  int array_length = Smi::cast(shared_array->length())->value();
   for (int i = 0; i < array_length; i++) {
-    Handle<Object> old_element;
-    Handle<Object> new_element;
+    Handle<Object> element;
     ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-        isolate, old_element, Object::GetElement(isolate, old_shared_array, i));
+        isolate, element, Object::GetElement(isolate, shared_array, i));
     RUNTIME_ASSERT(
-        old_element->IsJSValue() &&
-        Handle<JSValue>::cast(old_element)->value()->IsSharedFunctionInfo());
-    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-        isolate, new_element, Object::GetElement(isolate, new_shared_array, i));
-    RUNTIME_ASSERT(
-        new_element->IsUndefined() ||
-        (new_element->IsJSValue() &&
-         Handle<JSValue>::cast(new_element)->value()->IsSharedFunctionInfo()));
-  }
-
-  return *LiveEdit::CheckAndDropActivations(old_shared_array, new_shared_array,
-                                            do_drop);
+        element->IsJSValue() &&
+        Handle<JSValue>::cast(element)->value()->IsSharedFunctionInfo());
+  }
+
+  return *LiveEdit::CheckAndDropActivations(shared_array, do_drop);
 }