Make SyntheticPointerAction to flush the pointer action sequence

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 3d71e22532d640f4f65e849d0dd4ad61b409b6fc..c7e021a64d9946239f7466bd299c41707b358e9a 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -1190,6 +1190,19 @@ void RenderWidgetHostImpl::QueueSyntheticGesture(
   }
 }
 
+void RenderWidgetHostImpl::QueueSyntheticGesture(
+    const SyntheticGestureParams& gesture_params,
+    const base::Callback<void(SyntheticGesture::Result)>& on_complete) {
+  if (!synthetic_gesture_controller_ && view_) {
+    synthetic_gesture_controller_.reset(
+        new SyntheticGestureController(view_->CreateSyntheticGestureTarget()));
+  }
+  if (synthetic_gesture_controller_) {
+    synthetic_gesture_controller_->QueueSyntheticPointerAction(gesture_params,
+                                                               on_complete);
+  }
+}
+
 void RenderWidgetHostImpl::SetCursor(const WebCursor& cursor) {
   if (!view_)
     return;
@@ -1744,9 +1757,9 @@ void RenderWidgetHostImpl::OnQueueSyntheticGesture(
   }
 
   QueueSyntheticGesture(
-        SyntheticGesture::Create(*gesture_packet.gesture_params()),
-        base::Bind(&RenderWidgetHostImpl::OnSyntheticGestureCompleted,
-                   weak_factory_.GetWeakPtr()));

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

Why did we stop doing things this way?
Perhaps the logic in SyntheticGestureController::QueueSyntheticPointerAction
that creates a SyntheticGesture should be moved here?

+      *gesture_packet.gesture_params(),
+      base::Bind(&RenderWidgetHostImpl::OnSyntheticGestureCompleted,
+                 weak_factory_.GetWeakPtr()));
 }
 
 void RenderWidgetHostImpl::OnSetCursor(const WebCursor& cursor) {
@@ -2019,6 +2032,8 @@ void RenderWidgetHostImpl::OnUnexpectedEventAck(UnexpectedEventAckType type) {
 
 void RenderWidgetHostImpl::OnSyntheticGestureCompleted(
     SyntheticGesture::Result result) {
+  LOG(ERROR) << "RenderWidgetHostImpl::OnSyntheticGestureCompleted "
+             << (int)result;

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

Remove log.

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

Done.

   Send(new InputMsg_SyntheticGestureCompleted(GetRoutingID()));
 }