Invalidate associated WKBackForwardListItem after replace state.

TBR=eugenebut@chromium.org

(cherry picked from commit b312df8d9b00ca26046d1fe442ee19dc9780fcfe)

Bug: 887273
Cq-Include-Trybots: luci.chromium.try:ios-simulator-cronet;luci.chromium.try:ios-simulator-full-configs
Change-Id: I99e171f64a20c7dba9f8984d05cb509b00d01ea5
Reviewed-on: https://chromium-review.googlesource.com/1243166
Reviewed-by: Danyao Wang <danyao@chromium.org>
Commit-Queue: Eugene But <eugenebut@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#593992}
Reviewed-on: https://chromium-review.googlesource.com/1249819
Reviewed-by: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/branch-heads/3538@{#717}
Cr-Branched-From: 79f7c91a2b2a2932cd447fa6f865cb6662fa8fa6-refs/heads/master@{#587811}
1 file changed