[builtins] move conversions, debugger, handlers, interpreter builtins.

src/builtins/builtins-debug.cc

+// Copyright 2016 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.
+
+#include "src/builtins/builtins.h"
+#include "src/builtins/builtins-utils.h"
+#include "src/debug/debug.h"
+
+namespace v8 {
+namespace internal {
+
+void Builtins::Generate_Return_DebugBreak(MacroAssembler* masm) {
+  DebugCodegen::GenerateDebugBreakStub(masm,
+                                       DebugCodegen::SAVE_RESULT_REGISTER);
+}
+
+void Builtins::Generate_Slot_DebugBreak(MacroAssembler* masm) {
+  DebugCodegen::GenerateDebugBreakStub(masm,
+                                       DebugCodegen::IGNORE_RESULT_REGISTER);
+}
+
+void Builtins::Generate_FrameDropper_LiveEdit(MacroAssembler* masm) {
+  DebugCodegen::GenerateFrameDropperLiveEdit(masm);
+}
+
+}  // namespace internal
+}  // namespace v8