Add the c++ code part of bindings2/

sky/engine/bindings2/scheduled_action.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef SKY_ENGINE_BINDINGS2_SCHEDULED_ACTION_H_
+#define SKY_ENGINE_BINDINGS2_SCHEDULED_ACTION_H_
+
+#include "dart/runtime/include/dart_api.h"
+#include "sky/engine/tonic/dart_persistent_value.h"
+#include "sky/engine/tonic/dart_state.h"
+#include "sky/engine/wtf/RefPtr.h"
+#include "sky/engine/wtf/PassOwnPtr.h"
+
+namespace blink {
+
+class ExecutionContext;
+
+class ScheduledAction {
+ public:
+  static PassOwnPtr<ScheduledAction> Create(DartState* dart_state,
+                                            Dart_Handle closure) {
+    return adoptPtr(new ScheduledAction(dart_state, closure));
+  }
+
+  ~ScheduledAction();
+
+  void Execute(ExecutionContext*);
+
+ private:
+  ScheduledAction(DartState* dart_state, Dart_Handle closure);
+
+  DartPersistentValue closure_;
+};
+
+}  // namespace blink
+
+#endif  // SKY_ENGINE_BINDINGS2_SCHEDULED_ACTION_H_