Set the unique_event_id when converting from TouchEvent to WebTouchEvent

ui/aura/gestures/gesture_recognizer_unittest.cc

 // Copyright (c) 2012 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 "base/command_line.h"
 #include "base/memory/scoped_vector.h"
 #include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/timer/timer.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 327 matching lines @@
       : window_(NULL),
         dispatcher_(dispatcher),
         synchronous_ack_for_next_event_(AckState::PENDING) {}
 
   ~QueueTouchEventDelegate() override {}
 
   void OnTouchEvent(ui::TouchEvent* event) override {
     event->DisableSynchronousHandling();
     if (synchronous_ack_for_next_event_ != AckState::PENDING) {
       ui::GestureRecognizer::Get()->AckSyncTouchEvent(
-          event->unique_event_id(),
+          event->unique_touch_event_id(),
           synchronous_ack_for_next_event_ == AckState::CONSUMED
               ? ui::ER_CONSUMED
               : ui::ER_UNHANDLED,
           window_);
       synchronous_ack_for_next_event_ = AckState::PENDING;
     }
   }
 
   void ReceivedAck() {
     ReceivedAckImpl(false);
@@ skipping 4057 matching lines @@
   // The synchronous ack is stuck behind the pending touch move.
   EXPECT_0_EVENTS(delegate->events());
 
   delegate->ReceivedAck();
   EXPECT_2_EVENTS(delegate->events(), ui::ET_GESTURE_SCROLL_UPDATE,
                   ui::ET_GESTURE_SCROLL_UPDATE);
 }
 
 }  // namespace test
 }  // namespace aura