[builtins] Start refactoring the Apply builtin.

src/builtins/builtins-call-gen.h

Index: src/builtins/builtins-call-gen.h
diff --git a/src/builtins/builtins-call-gen.h b/src/builtins/builtins-call-gen.h
new file mode 100644
index 0000000000000000000000000000000000000000..c97bbae4eca740b5a171e8ceed2e243cf55cdbd6
--- /dev/null
+++ b/src/builtins/builtins-call-gen.h
@@ -0,0 +1,25 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8_BUILTINS_BUILTINS_CALL_GEN_H_
+#define V8_BUILTINS_BUILTINS_CALL_GEN_H_
+
+#include "src/code-stub-assembler.h"
+
+namespace v8 {
+namespace internal {
+
+class CallOrConstructBuiltinsAssembler : public CodeStubAssembler {
+ public:
+  explicit CallOrConstructBuiltinsAssembler(compiler::CodeAssemblerState* state)
+      : CodeStubAssembler(state) {}
+
+  void CallOrConstructWithArrayLike(Node* target, Node* new_target,
+                                    Node* arguments_list, Node* context);
+};
+
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_BUILTINS_BUILTINS_CALL_GEN_H_