refactor: rename the atom directory to shell

shell/common/node_bindings_linux.h

@@ -0,0 +1,34 @@
+// Copyright (c) 2014 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_COMMON_NODE_BINDINGS_LINUX_H_
+#define ATOM_COMMON_NODE_BINDINGS_LINUX_H_
+
+#include "atom/common/node_bindings.h"
+#include "base/compiler_specific.h"
+
+namespace atom {
+
+class NodeBindingsLinux : public NodeBindings {
+ public:
+  explicit NodeBindingsLinux(BrowserEnvironment browser_env);
+  ~NodeBindingsLinux() override;
+
+  void RunMessageLoop() override;
+
+ private:
+  // Called when uv's watcher queue changes.
+  static void OnWatcherQueueChanged(uv_loop_t* loop);
+
+  void PollEvents() override;
+
+  // Epoll to poll for uv's backend fd.
+  int epoll_;
+
+  DISALLOW_COPY_AND_ASSIGN(NodeBindingsLinux);
+};
+
+}  // namespace atom
+
+#endif  // ATOM_COMMON_NODE_BINDINGS_LINUX_H_