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Disable overscroll history navigation on Windows Touchpad with
feature flag. This CL also wraps all changes in crrev/c/98210
and crrev/c/1003214 behind this flag.

This CL also disable overscroll history navigation on Linux
Touchpad since we will set has_precise_delta for Linux soon.

Bug: 647140
Change-Id: Id08654bf20b3ada7b5e75f2308a915efeed0e934
Reviewed-on: https://chromium-review.googlesource.com/1002866
Commit-Queue: Jianpeng Chao <chaopeng@chromium.org>
Reviewed-by: Sadrul Chowdhury <sadrul@chromium.org>
Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Reviewed-by: Mohsen Izadi <mohsen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#550508}