The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/df4d1eaff502b3354efacfde798a1136dd2b200c

commit df4d1eaff502b3354efacfde798a1136dd2b200c
Author: Sandra Sun <sunyunjia@chromium.org>
Date: Wed Oct 31 17:12:32 2018

Use gfx::RangeF for SnapVisibleRange

Since range.h includes windows.h, which pollutes the namespace, we have
to create SnapVisibleRange class in scroll_snap_data.h. Now that
windows.h has been removed, we should use gfx::RangeF for
scroll_snap_data.

Bug:  898975 
Change-Id: If86417f2d32f40f4560fe54ac1c1388e883518de
Reviewed-on: https://chromium-review.googlesource.com/c/1308094
Reviewed-by: David Bokan <bokan@chromium.org>
Commit-Queue: Sandra Sun <sunyunjia@chromium.org>
Cr-Commit-Position: refs/heads/master@{#604307}
[modify] https://crrev.com/df4d1eaff502b3354efacfde798a1136dd2b200c/cc/input/scroll_snap_data.cc
[modify] https://crrev.com/df4d1eaff502b3354efacfde798a1136dd2b200c/cc/input/scroll_snap_data.h