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It's questionable whether the popup should move back to the generation state.
Curently for automatic generation it does and the bug isn't observed. For
manual generation it doesn't and therefore the editing prompt remains open.
The CL fixes that.

Bug: 870217
Change-Id: Ib9758f87208d82fd8bd52cdcd1aef664d4f2cba5
Reviewed-on: https://chromium-review.googlesource.com/1160849Reviewed-by: Ioana Pandele <ioanap@chromium.org>
Commit-Queue: Vasilii Sukhanov <vasilii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#580516}