Disable the touch ack timeout for touch-action:none

content/browser/renderer_host/input/touch_action_filter.h

Index: content/browser/renderer_host/input/touch_action_filter.h
diff --git a/content/browser/renderer_host/input/touch_action_filter.h b/content/browser/renderer_host/input/touch_action_filter.h
index b5392f951f0d1dec7e7c7c5161eb4103703403ef..2eedc064209443be7ec009a03bc1dc20782ebabd 100644
--- a/content/browser/renderer_host/input/touch_action_filter.h
+++ b/content/browser/renderer_host/input/touch_action_filter.h
@@ -37,6 +37,8 @@ public:
   // renderer. It may be called multiple times during this interval.
   void ResetTouchAction();
 
+  TouchAction allowed_touch_action() const { return allowed_touch_action_; }
+
   // Return the intersection of two TouchAction values.
   static TouchAction Intersect(TouchAction ta1, TouchAction ta2);
 
@@ -61,7 +63,7 @@ private:
   bool allow_current_double_tap_event_;
 
   // What touch actions are currently permitted.
-  content::TouchAction allowed_touch_action_;
+  TouchAction allowed_touch_action_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchActionFilter);
 };