Add touch scrolling modes experimental flags (DEPRECATED)

content/browser/renderer_host/input/gesture_event_packet.h

Index: content/browser/renderer_host/input/gesture_event_packet.h
diff --git a/content/browser/renderer_host/input/gesture_event_packet.h b/content/browser/renderer_host/input/gesture_event_packet.h
index 1227417ee86302c6fc6daee6ef39fb76adccd45c..7eab968d4da8aac554805ac0647261cfbb21267a 100644
--- a/content/browser/renderer_host/input/gesture_event_packet.h
+++ b/content/browser/renderer_host/input/gesture_event_packet.h
@@ -35,6 +35,11 @@ class CONTENT_EXPORT GestureEventPacket {
   size_t gesture_count() const { return gesture_count_; }
   GestureSource gesture_source() const { return gesture_source_; }
 
+  // Returns true if this packet only contains gestures which are logically
+  // local to the event that generated them.  Dropping such a packet won't
+  // affect the semantics of subsequent packets.
+  bool is_independent() const { return is_independent_; }
+
 private:
   explicit GestureEventPacket(GestureSource source);
 
@@ -42,6 +47,7 @@ private:
   blink::WebGestureEvent gestures_[kMaxGesturesPerTouch];
   size_t gesture_count_;
   GestureSource gesture_source_;
+  bool is_independent_;
 };
 
 }  // namespace content