[ts] type-check PersistenceActions.js
[ts] type-check PersistenceActions.js

R=6d0eecbeb7fb9d172f49b4b32481d2466fd89429@chromium.org

Bug: 1011811
Change-Id: I454d611df44b999d51d2c1af11957074d8513905
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2470619
Commit-Queue: Yang Guo <1cf0af8245a3a17a632a2c73531392b0f9761c76@chromium.org>
Commit-Queue: Peter Marshall <6d0eecbeb7fb9d172f49b4b32481d2466fd89429@chromium.org>
Auto-Submit: Yang Guo <1cf0af8245a3a17a632a2c73531392b0f9761c76@chromium.org>
Reviewed-by: Peter Marshall <6d0eecbeb7fb9d172f49b4b32481d2466fd89429@chromium.org>

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