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Store a map of link enabled states so that we can use it to enable next
visibile view on hidding active view. Map is ordered so it works to iterate it.

BUG=616382
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2121763002
Cr-Commit-Position: refs/heads/master@{#405942}