Add touch scrolling modes experimental flags (DEPRECATED)

content/browser/renderer_host/input/gesture_event_packet.h

 // Copyright 2014 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_GESTURE_EVENT_PACKET_H_
 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_EVENT_PACKET_H_
 
 #include "content/common/content_export.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 
@@ skipping 17 matching lines @@
   static GestureEventPacket FromTouch(const blink::WebTouchEvent& event);
   static GestureEventPacket FromTouchTimeout(
       const blink::WebGestureEvent& event);
 
   void Push(const blink::WebGestureEvent& gesture);
 
   const blink::WebGestureEvent& gesture(size_t i) const { return gestures_[i]; }
   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);
 
   enum { kMaxGesturesPerTouch = 5 };
   blink::WebGestureEvent gestures_[kMaxGesturesPerTouch];
   size_t gesture_count_;
   GestureSource gesture_source_;
+  bool is_independent_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_EVENT_PACKET_H_