Make touch events uncancelable during fling when they are on the current active scroll layer

content/renderer/render_widget_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 "content/renderer/render_widget.h"
 
 #include <tuple>
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 332 matching lines @@
 
 TEST_F(RenderWidgetUnittest, TouchDuringOrOutsideFlingUmaMetrics) {
   EXPECT_CALL(*widget()->mock_webwidget(), handleInputEvent(_))
       .Times(3)
       .WillRepeatedly(
           ::testing::Return(blink::WebInputEventResult::NotHandled));
 
   SyntheticWebTouchEvent touch;
   touch.PressPoint(10, 10);
   touch.dispatchType = blink::WebInputEvent::DispatchType::Blocking;
-  touch.dispatchedDuringFling = false;
   touch.touchStartOrFirstTouchMove = true;
   widget()->SendInputEvent(touch);
   histogram_tester().ExpectTotalCount("Event.Touch.TouchLatencyOutsideFling",
                                       1);
 
   touch.MovePoint(0, 10, 10);
   touch.touchStartOrFirstTouchMove = true;
   widget()->SendInputEvent(touch);
   histogram_tester().ExpectTotalCount("Event.Touch.TouchLatencyOutsideFling",
                                       2);
@@ skipping 124 matching lines @@
   blink::WebRect popup_emulated_rect(130, 170, 100, 400);
   widget()->setWindowRect(popup_emulated_rect);
 
   EXPECT_EQ(popup_emulated_rect.x, widget()->windowRect().x);
   EXPECT_EQ(popup_emulated_rect.y, widget()->windowRect().y);
   EXPECT_EQ(popup_emulated_rect.x, widget()->viewRect().x);
   EXPECT_EQ(popup_emulated_rect.y, widget()->viewRect().y);
 }
 
 }  // namespace content