WebMouseEvent coordinates are now fractional & private

content/browser/renderer_host/input/mouse_wheel_event_queue.cc

 // Copyright 2016 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/mouse_wheel_event_queue.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/events/base_event_utils.h"
@@ skipping 73 matching lines @@
   if (ack_result != INPUT_EVENT_ACK_STATE_CONSUMED &&
       ui::WebInputEventTraits::CanCauseScroll(
           event_sent_for_gesture_ack_->event) &&
       event_sent_for_gesture_ack_->event.resendingPluginId == -1 &&
       (scrolling_device_ == blink::WebGestureDeviceUninitialized ||
        scrolling_device_ == blink::WebGestureDeviceTouchpad)) {
     WebGestureEvent scroll_update(
         WebInputEvent::GestureScrollUpdate, WebInputEvent::NoModifiers,
         event_sent_for_gesture_ack_->event.timeStampSeconds());
 
-    scroll_update.x = event_sent_for_gesture_ack_->event.x;
-    scroll_update.y = event_sent_for_gesture_ack_->event.y;
-    scroll_update.globalX = event_sent_for_gesture_ack_->event.globalX;
-    scroll_update.globalY = event_sent_for_gesture_ack_->event.globalY;
+    scroll_update.x = event_sent_for_gesture_ack_->event.positionInWidget().x;
+    scroll_update.y = event_sent_for_gesture_ack_->event.positionInWidget().y;
+    scroll_update.globalX =
+        event_sent_for_gesture_ack_->event.positionInScreen().x;
+    scroll_update.globalY =
+        event_sent_for_gesture_ack_->event.positionInScreen().y;
     scroll_update.sourceDevice = blink::WebGestureDeviceTouchpad;
     scroll_update.resendingPluginId = -1;
 
     // Swap X & Y if Shift is down and when there is no horizontal movement.
     if ((event_sent_for_gesture_ack_->event.modifiers() &
          WebInputEvent::ShiftKey) != 0 &&
         event_sent_for_gesture_ack_->event.deltaX == 0) {
       scroll_update.data.scrollUpdate.deltaX =
           event_sent_for_gesture_ack_->event.deltaY;
       scroll_update.data.scrollUpdate.deltaY =
@@ skipping 237 matching lines @@
   scroll_begin.data.scrollBegin.deltaHintUnits =
       gesture_update.data.scrollUpdate.deltaUnits;
 
   needs_scroll_begin_ = false;
   needs_scroll_end_ = true;
   client_->ForwardGestureEventWithLatencyInfo(
       scroll_begin, ui::LatencyInfo(ui::SourceEventType::WHEEL));
 }
 
 }  // namespace content