chore: add ability to log native deprecation warnings (#18681)

* chore: add ability to log native deprecation warnings

* take std::string, handle conversion later

* address feedback from @ckerr's review

* simplify with feedback from zcbenz

atom/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

atom/common/deprecate_util.h

@@ -0,0 +1,20 @@
+// Copyright (c) 2019 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_COMMON_DEPRECATE_UTIL_H_
+#define ATOM_COMMON_DEPRECATE_UTIL_H_
+
+#include <string>
+
+#include "atom/common/node_includes.h"
+
+namespace atom {
+
+void EmitDeprecationWarning(node::Environment* env,
+                            const std::string& warning_msg,
+                            const std::string& warning_type);
+
+}  // namespace atom
+
+#endif  // ATOM_COMMON_DEPRECATE_UTIL_H_

filenames.gni

@@ -511,6 +511,8 @@ filenames = {
     "atom/common/key_weak_map.h",
     "atom/common/keyboard_util.cc",
     "atom/common/keyboard_util.h",
+    "atom/common/deprecate_util.cc",
+    "atom/common/deprecate_util.h",
     "atom/common/mouse_util.cc",
     "atom/common/mouse_util.h",
     "atom/common/mac/main_application_bundle.h",