refactor: rename the atom directory to shell

shell/common/api/object_life_monitor.h

@@ -0,0 +1,34 @@
+// Copyright (c) 2013 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_COMMON_API_OBJECT_LIFE_MONITOR_H_
+#define ATOM_COMMON_API_OBJECT_LIFE_MONITOR_H_
+
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "v8/include/v8.h"
+
+namespace atom {
+
+class ObjectLifeMonitor {
+ protected:
+  ObjectLifeMonitor(v8::Isolate* isolate, v8::Local<v8::Object> target);
+  virtual ~ObjectLifeMonitor();
+
+  virtual void RunDestructor() = 0;
+
+ private:
+  static void OnObjectGC(const v8::WeakCallbackInfo<ObjectLifeMonitor>& data);
+  static void Free(const v8::WeakCallbackInfo<ObjectLifeMonitor>& data);
+
+  v8::Global<v8::Object> target_;
+
+  base::WeakPtrFactory<ObjectLifeMonitor> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(ObjectLifeMonitor);
+};
+
+}  // namespace atom
+
+#endif  // ATOM_COMMON_API_OBJECT_LIFE_MONITOR_H_