Note: The scroll restoration works perfectly if you open the overlay once, but dare you open it a second time...
It also only impacts users who use the browser navigation controls. Clicking "X" restores scroll position every time.
Related: T209418
=== Steps to Reproduce (1)
# Visit https://en.m.wikipedia.org/wiki/Charles_Darwin in the MinervaNeue mobile skin
# Scroll down to an image deep in the article such as the evolutionary tree diagram {F27496482}
# Tap the image {F27496485}
# Press back {F27496488}
# Press Forward {F27496492}
# Press back {F27496507}
=== Steps to Reproduce (2)
# Visit https://en.m.wikipedia.org/wiki/Charles_Darwin in the MinervaNeue mobile skin
# Scroll down to an image deep in the article such as the evolutionary tree diagram
# Tap the image
# Tap details
# Press back twice
=== Expected Results
- Scroll offset in page is unchanged
=== Actual Results
- Scroll location is reset to the top
=== Environments Observed
- enwiki prod
**Browser Version **
- Chrome v71.0.3578.57
**OS Version**
- Chrome OS v11151.33.0
**Device Model**
- Pixel Slate
**Device Language**
- English