Use new gesture event fields in more places

content/browser/renderer_host/gesture_event_filter.cc

Index: content/browser/renderer_host/gesture_event_filter.cc
diff --git a/content/browser/renderer_host/gesture_event_filter.cc b/content/browser/renderer_host/gesture_event_filter.cc
index b59cc2196237178426ceb2842c4e0c051b2d924a..a050d411db8cf9c0d1cf2188810be2f7d21f9c3f 100644
--- a/content/browser/renderer_host/gesture_event_filter.cc
+++ b/content/browser/renderer_host/gesture_event_filter.cc
@@ -170,6 +170,11 @@ void GestureEventFilter::MergeOrInsertScrollEvent(
   if (coalesced_gesture_events_.size() > 1 &&
       last_gesture_event->type == gesture_event.type &&
       last_gesture_event->modifiers == gesture_event.modifiers) {
+    last_gesture_event->data.scrollUpdate.deltaX +=
+        gesture_event.data.scrollUpdate.deltaX;
+    last_gesture_event->data.scrollUpdate.deltaY +=
+        gesture_event.data.scrollUpdate.deltaY;
+    // TODO(rbyers): deltaX/deltaY fields going away. crbug.com/143237
     last_gesture_event->deltaX += gesture_event.deltaX;
     last_gesture_event->deltaY += gesture_event.deltaY;
     DLOG_IF(WARNING,