Version: 55.0.2868.0
OS: Android

On a very slow connection (GIN 2g-poor) I loaded wsj.com, which is a content heavy page.  As expected a blank page appeared for a long time while it was loading, so I clicked on the "Save" button to start downloading it for later.

Almost immediately I got a snack bar that the download completed, and the page stopped loading in the tab.  The saved page was a 5.81KB blank page.

What steps will reproduce the problem?
(1) Open Chrome with offline pages enabled on a slow connection
(2) Navigate to a heavy page
(3) While the screen is still blank, click the download button

What is the expected output?

The page will download in the background, and be ready to view.

What do you see instead?

The page took a snapshot of the blank tab, and saved that instead.  Also the tab appeared to stop loading the page.

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