Make SyntheticPointerAction to flush the pointer action sequence

content/browser/renderer_host/input/synthetic_touch_driver.h

 // Copyright 2015 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_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_TOUCH_DRIVER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_TOUCH_DRIVER_H_
 
 #include <array>
 #include "base/macros.h"
 #include "content/browser/renderer_host/input/synthetic_pointer_driver.h"
 #include "content/common/content_export.h"
 #include "content/common/input/synthetic_web_input_event_builders.h"
 
+using blink::WebTouchEvent;
+
 namespace content {
 
 class CONTENT_EXPORT SyntheticTouchDriver : public SyntheticPointerDriver {
  public:
   SyntheticTouchDriver();
   explicit SyntheticTouchDriver(SyntheticWebTouchEvent touch_event);
   ~SyntheticTouchDriver() override;
 
   void DispatchEvent(SyntheticGestureTarget* target,
                      const base::TimeTicks& timestamp) override;
 
-  int Press(float x, float y) override;
+  void Press(float x, float y, int index) override;
   void Move(float x, float y, int index) override;
   void Release(int index) override;
 
   bool UserInputCheck(
       const SyntheticPointerActionParams& params) const override;
 
  private:
+  using IndexMap = std::array<int, WebTouchEvent::kTouchesLengthCap>;

[samuong, 2016/12/21 00:02:27]

I think you should just write blink::WebTouchEvent::kTouchesLengthCap here, and
remove the using statement from the top. Otherwise any files which #include this
header will pull in the using statement.

[lanwei, 2016/12/21 20:01:14]

Done.

+
   SyntheticWebTouchEvent touch_event_;
+  IndexMap index_map_;
+
   DISALLOW_COPY_AND_ASSIGN(SyntheticTouchDriver);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_INPUT_SYNTHETIC_TOUCH_DRIVER_H_