Chrome Version: 68.0.3440.91

What steps will reproduce the problem?
(1) Save offline page
(2) Go to download home via chrome
(3) Tap on 3-dot menu next to downloaded page and click share with android beam
(4) Tap NFC-enabled device and wait for beam to complete
(5) On other device, tap on the downloaded file

What is the expected result?
Offline page opens in Chrome successfully

What happens instead?
Offline page triggers a download in Chrome for the mhtml endlessly

Tested with nexus 5x and pixel2


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