Add InputEvent and EventPacket types for batched input delivery

content/common/input/event_packet_ack.h

+// Copyright (c) 2013 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 CONTENT_COMMON_INPUT_EVENT_PACKET_ACK_H_
+#define CONTENT_COMMON_INPUT_EVENT_PACKET_ACK_H_
+
+#include <vector>
+
+#include "content/common/content_export.h"
+#include "content/common/input/input_event_state.h"
+
+namespace content {
+
+class EventPacket;
+
+class CONTENT_EXPORT EventPacketAck {
+ public:
+  EventPacketAck(const EventPacket& packet);
+  EventPacketAck();
+  ~EventPacketAck();
+
+  int64 id;
+  std::vector<InputEventState> event_states;
+};
+
+} // namespace content
+
+#endif // CONTENT_COMMON_INPUT_EVENT_PACKET_H_