Set the unique_event_id when converting from TouchEvent to WebTouchEvent

content/browser/renderer_host/input/touch_event_queue_unittest.cc

 // Copyright 2013 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/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "content/browser/renderer_host/input/timeout_monitor.h"
 #include "content/browser/renderer_host/input/touch_event_queue.h"
@@ skipping 97 matching lines @@
   }
 
   void SendGestureEvent(WebInputEvent::Type type) {
     WebGestureEvent event;
     event.type = type;
     queue_->OnGestureScrollEvent(
         GestureEventWithLatencyInfo(event, ui::LatencyInfo()));
   }
 
   void SendTouchEventAck(InputEventAckState ack_result) {
-    queue_->ProcessTouchAck(ack_result, ui::LatencyInfo());
+    queue_->ProcessTouchAck(ack_result, ui::LatencyInfo(),
+        touch_event_.uniqueTouchEventId);
   }
 
   void SendGestureEventAck(WebInputEvent::Type type,
                            InputEventAckState ack_result) {
     blink::WebGestureEvent gesture_event;
     gesture_event.type = type;
     GestureEventWithLatencyInfo event(gesture_event, ui::LatencyInfo());
     queue_->OnGestureEventAck(event, ack_result);
   }
 
@@ skipping 2123 matching lines @@
   EXPECT_EQ(1U, GetAndResetAckedEventCount());
 
   // TouchMove should be allowed and test for touches state.
   const WebTouchEvent& event2 = sent_event();
   EXPECT_EQ(WebInputEvent::TouchMove, event2.type);
   EXPECT_EQ(WebTouchPoint::StateStationary, event2.touches[0].state);
   EXPECT_EQ(WebTouchPoint::StateMoved, event2.touches[1].state);
 }
 
 }  // namespace content