Redefined the bit WebTouchEvent.causesScrollingIfUncanceled.

ui/events/gesture_detection/filtered_gesture_provider.cc

Index: ui/events/gesture_detection/filtered_gesture_provider.cc
diff --git a/ui/events/gesture_detection/filtered_gesture_provider.cc b/ui/events/gesture_detection/filtered_gesture_provider.cc
index e616e7bbd64f3f60aa8fa15a53dcba1529b05b65..644c8a9112db1823841d727e54d0db76f039a909 100644
--- a/ui/events/gesture_detection/filtered_gesture_provider.cc
+++ b/ui/events/gesture_detection/filtered_gesture_provider.cc
@@ -11,7 +11,7 @@
 namespace ui {
 
 FilteredGestureProvider::TouchHandlingResult::TouchHandlingResult()
-    : succeeded(false), did_generate_scroll(false) {
+    : succeeded(false), moved_beyond_slop_region(false) {
 }
 
 FilteredGestureProvider::FilteredGestureProvider(
@@ -21,7 +21,7 @@ FilteredGestureProvider::FilteredGestureProvider(
       gesture_provider_(config, this),
       gesture_filter_(this),
       handling_event_(false),
-      last_touch_event_did_generate_scroll_(false) {
+      last_touch_event_moved_beyond_slop_region_(false) {
 }
 
 FilteredGestureProvider::TouchHandlingResult
@@ -30,7 +30,7 @@ FilteredGestureProvider::OnTouchEvent(const MotionEvent& event) {
   base::AutoReset<bool> handling_event(&handling_event_, true);
 
   pending_gesture_packet_ = GestureEventDataPacket::FromTouch(event);
-  last_touch_event_did_generate_scroll_ = false;
+  last_touch_event_moved_beyond_slop_region_ = false;
   if (!gesture_provider_.OnTouchEvent(event))
     return TouchHandlingResult();
 
@@ -43,7 +43,7 @@ FilteredGestureProvider::OnTouchEvent(const MotionEvent& event) {
 
   TouchHandlingResult result;
   result.succeeded = true;
-  result.did_generate_scroll = last_touch_event_did_generate_scroll_;
+  result.moved_beyond_slop_region = last_touch_event_moved_beyond_slop_region_;
   return result;
 }
 
@@ -79,7 +79,7 @@ void FilteredGestureProvider::OnGestureEvent(const GestureEventData& event) {
     if (event.details.type() == ui::ET_GESTURE_SCROLL_BEGIN ||
         event.details.type() == ui::ET_GESTURE_SCROLL_UPDATE ||
         event.details.type() == ui::ET_SCROLL_FLING_START) {
-      last_touch_event_did_generate_scroll_ = true;
+      last_touch_event_moved_beyond_slop_region_ = true;
     }
     pending_gesture_packet_.Push(event);
     return;