app: add support for inspect/inspect-brk in forked node process

atom/browser/node_debugger.h

@@ -7,7 +7,15 @@
 
 #include <memory>
 
-#include "atom/common/node_includes.h"
+#include "base/macros.h"
+
+namespace node {
+class Environment;
+}
+
+namespace v8 {
+class Platform;
+}
 
 namespace atom {