[Interpreter] Adds support for DeleteLookupSlot to Interpreter.

test/unittests/interpreter/bytecode-array-builder-unittest.cc

Index: test/unittests/interpreter/bytecode-array-builder-unittest.cc
diff --git a/test/unittests/interpreter/bytecode-array-builder-unittest.cc b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
index d69f5ac5aea422306e07da1eed3d895d1051c646..d9e72beab17e87053e4cab7dd0a99017e1f76c71 100644
--- a/test/unittests/interpreter/bytecode-array-builder-unittest.cc
+++ b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
@@ -147,7 +147,9 @@ TEST_F(BytecodeArrayBuilderTest, AllBytecodesGenerated) {
   builder.LogicalNot().TypeOf();
 
   // Emit delete
-  builder.Delete(reg, LanguageMode::SLOPPY).Delete(reg, LanguageMode::STRICT);
+  builder.Delete(reg, LanguageMode::SLOPPY)
+      .Delete(reg, LanguageMode::STRICT)
+      .DeleteLookupSlot();
 
   // Emit new.
   builder.New(reg, reg, 0);