refactor: rename the atom directory to shell

shell/common/deprecate_util.cc

@@ -0,0 +1,27 @@
+// Copyright (c) 2019 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/common/deprecate_util.h"
+
+#include "atom/common/native_mate_converters/callback.h"
+#include "base/callback.h"
+#include "native_mate/converter.h"
+#include "native_mate/dictionary.h"
+
+namespace atom {
+
+void EmitDeprecationWarning(node::Environment* env,
+                            const std::string& warning_msg,
+                            const std::string& warning_type) {
+  mate::Dictionary process(env->isolate(), env->process_object());
+
+  base::RepeatingCallback<void(base::StringPiece, base::StringPiece,
+                               base::StringPiece)>
+      emit_warning;
+  process.Get("emitWarning", &emit_warning);
+
+  emit_warning.Run(warning_msg, warning_type, "");
+}
+
+}  // namespace atom