Always reset touch action at the beginning of a new gesture sequence

content/browser/renderer_host/input/gesture_event_packet.cc

 // 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.
 
 #include "content/browser/renderer_host/input/gesture_event_packet.h"
 
 #include "base/logging.h"
 
 using blink::WebGestureEvent;
 using blink::WebInputEvent;
 using blink::WebTouchEvent;
 using blink::WebTouchPoint;
 
 namespace content {
 namespace {
 
 GestureEventPacket::GestureSource ToGestureSource(const WebTouchEvent& event) {
   if (!event.touchesLength)
     return GestureEventPacket::INVALID;
   switch (event.type) {
     case WebInputEvent::TouchStart:
       for (size_t i = 0; i < event.touchesLength; i++) {
         if (event.touches[i].state != WebTouchPoint::StatePressed)
-          return GestureEventPacket::TOUCH_BEGIN;
+          return GestureEventPacket::TOUCH_START;
       }
-      return GestureEventPacket::TOUCH_SEQUENCE_BEGIN;
+      return GestureEventPacket::TOUCH_SEQUENCE_START;
     case WebInputEvent::TouchMove:
       return GestureEventPacket::TOUCH_MOVE;
     case WebInputEvent::TouchEnd:
     case WebInputEvent::TouchCancel:
       for (size_t i = 0; i < event.touchesLength; i++) {
         if (event.touches[i].state != WebTouchPoint::StateReleased &&
             event.touches[i].state != WebTouchPoint::StateCancelled) {
           return GestureEventPacket::TOUCH_END;
         }
       }
@@ skipping 42 matching lines @@
 }
 
 GestureEventPacket GestureEventPacket::FromTouchTimeout(
     const WebGestureEvent& event) {
   GestureEventPacket packet(TOUCH_TIMEOUT);
   packet.Push(event);
   return packet;
 }
 
 }  // namespace content