Chrome allows WebTouchPoint to store WebFloatPoint, instead of WebPoint.

content/shell/renderer/test_runner/EventSender.cpp

 // 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.
 
 // This file contains the definition for EventSender.
 //
 // Some notes about drag and drop handling:
 // Windows drag and drop goes through a system call to doDragDrop. At that
 // point, program control is given to Windows which then periodically makes
 // callbacks into the webview. This won't work for layout tests, so instead,
@@ skipping 949 matching lines @@
 
     result->setNull();
 }
 
 void EventSender::addTouchPoint(const CppArgumentList& arguments, CppVariant* result)
 {
     result->setNull();
 
     WebTouchPoint touchPoint;
     touchPoint.state = WebTouchPoint::StatePressed;
-    touchPoint.position = WebPoint(arguments[0].toInt32(), arguments[1].toInt32());
+    touchPoint.position.x = arguments[0].toInt32();
+    touchPoint.position.y = arguments[1].toInt32();
     touchPoint.screenPosition = touchPoint.position;
 
     if (arguments.size() > 2) {
         int radiusX = arguments[2].toInt32();
         int radiusY = radiusX;
         if (arguments.size() > 3)
             radiusY = arguments[3].toInt32();
 
         touchPoint.radiusX = radiusX;
         touchPoint.radiusY = radiusY;
@@ skipping 46 matching lines @@
         touchModifiers &= ~mask;
 }
 
 void EventSender::updateTouchPoint(const CppArgumentList& arguments, CppVariant* result)
 {
     result->setNull();
 
     const unsigned index = arguments[0].toInt32();
     BLINK_ASSERT(index < touchPoints.size());
 
-    WebPoint position(arguments[1].toInt32(), arguments[2].toInt32());
     WebTouchPoint* touchPoint = &touchPoints[index];
     touchPoint->state = WebTouchPoint::StateMoved;
-    touchPoint->position = position;
-    touchPoint->screenPosition = position;
+    touchPoint->position.x = arguments[1].toInt32();
+    touchPoint->position.y = arguments[2].toInt32();
+    touchPoint->screenPosition = touchPoint->position;
 }
 
 void EventSender::cancelTouchPoint(const CppArgumentList& arguments, CppVariant* result)
 {
     result->setNull();
 
     const unsigned index = arguments[0].toInt32();
     BLINK_ASSERT(index < touchPoints.size());
 
     WebTouchPoint* touchPoint = &touchPoints[index];
@@ skipping 378 matching lines @@
 {
     result->setNull();
 }
 
 void EventSender::clearKillRing(const CppArgumentList&, CppVariant* result)
 {
     result->setNull();
 }
 
 }