Make SyntheticPointerAction to flush the pointer action sequence

content/browser/renderer_host/input/synthetic_gesture_controller.h

Index: content/browser/renderer_host/input/synthetic_gesture_controller.h
diff --git a/content/browser/renderer_host/input/synthetic_gesture_controller.h b/content/browser/renderer_host/input/synthetic_gesture_controller.h
index 5a92f31edf4ff8de63ad723c3f370d5f155d33fa..a791c0b11be141a0ad2c549349399d34e9b0da63 100644
--- a/content/browser/renderer_host/input/synthetic_gesture_controller.h
+++ b/content/browser/renderer_host/input/synthetic_gesture_controller.h
@@ -14,8 +14,10 @@
 #include "base/memory/scoped_vector.h"
 #include "base/time/time.h"
 #include "content/browser/renderer_host/input/synthetic_gesture.h"
+#include "content/browser/renderer_host/input/synthetic_pointer_action_controller.h"
 #include "content/common/content_export.h"
 #include "content/common/input/synthetic_gesture_params.h"
+#include "content/common/input/synthetic_pointer_action_params.h"
 
 namespace content {
 
@@ -36,6 +38,10 @@ class CONTENT_EXPORT SyntheticGestureController {
       std::unique_ptr<SyntheticGesture> synthetic_gesture,
       const OnGestureCompleteCallback& completion_callback);
 
+  void QueueSyntheticPointerAction(
+      const SyntheticGestureParams& gesture_params,
+      const OnGestureCompleteCallback& completion_callback);

[tdresser, 2016/09/30 13:24:30]

Why are we passing raw Params here? Couldn't we make a SyntheticGesture out of
the params and use the existing method?

[lanwei, 2016/10/21 21:53:07]

Done.

+
   // Forward input events of the currently processed gesture.
   void Flush(base::TimeTicks timestamp);
 
@@ -51,6 +57,7 @@ class CONTENT_EXPORT SyntheticGestureController {
 
   std::unique_ptr<SyntheticGestureTarget> gesture_target_;
   std::unique_ptr<SyntheticGesture::Result> pending_gesture_result_;
+  SyntheticPointerActionController pointer_action_controller_;
 
   // A queue of gesture/callback pairs.  Implemented as two queues to
   // simplify the ownership of SyntheticGesture pointers.