Make SyntheticPointerAction to flush the pointer action sequence

content/common/input/synthetic_pointer_action_list_params.h

Index: content/common/input/synthetic_pointer_action_list_params.h
diff --git a/content/common/input/synthetic_pointer_action_list_params.h b/content/common/input/synthetic_pointer_action_list_params.h
new file mode 100644
index 0000000000000000000000000000000000000000..86c903617d6f777bb988d14cf973fcb0983b87bf
--- /dev/null
+++ b/content/common/input/synthetic_pointer_action_list_params.h
@@ -0,0 +1,41 @@
+// Copyright 2016 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_SYNTHETIC_POINTER_ACTION_LIST_PARAMS_H_
+#define CONTENT_COMMON_INPUT_SYNTHETIC_POINTER_ACTION_LIST_PARAMS_H_
+
+#include <vector>
+#include "content/common/content_export.h"
+#include "content/common/input/synthetic_gesture_params.h"
+#include "content/common/input/synthetic_pointer_action_params.h"
+
+using blink::WebTouchEvent;
+
+namespace content {
+
+struct CONTENT_EXPORT SyntheticPointerActionListParams
+    : public SyntheticGestureParams {
+ public:
+  using ParamList = std::vector<SyntheticPointerActionParams>;
+
+  SyntheticPointerActionListParams();
+  SyntheticPointerActionListParams(const ParamList& param_list);
+  SyntheticPointerActionListParams(
+      const SyntheticPointerActionListParams& other);
+  ~SyntheticPointerActionListParams() override;
+
+  GestureType GetGestureType() const override;
+
+  void PushPointerActionParams(const SyntheticPointerActionParams& param);
+  void PushPointerActionParamsList(const ParamList& param_list);
+
+  std::vector<ParamList> params;
+
+  static const SyntheticPointerActionListParams* Cast(
+      const SyntheticGestureParams* gesture_params);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_INPUT_SYNTHETIC_POINTER_ACTION_LIST_PARAMS_H_