getLastViewedUrl() doesn't work with caches enabled

[alexander-kozlyuk-ism]

Unable to retrieve last viewed URL using getLastViewedUrl() method (vendor/magento/module-catalog/Helper/Data.php)

Preconditions

1. Magento CE 2.1.0 without sample data is installed.
2. Custom plugin created for \Magento\Checkout\Block\Cart > getContinueShoppingUrl()
3. getLastViewedUrl() used in this plugin to improve "Continue Shopping URL" functionality
   

Steps to reproduce

1. Enable caches
2. Add something to cart
3. Visit some product page
4. Refresh cart page
5. Check "Continue Shopping" URL

Actual result

"Continue Shopping" URL leads to homepage

Expected result

"Continue Shopping" URL should lead to the last visited product page

Note

it works fine if caches disabled

[andimov]

@nosferix
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To allow us to research the issue, please, provide description according to the Issue reporting guidelines.

[alexander-kozlyuk-ism]

[Title]
Unable to retrieve last viewed URL using getLastViewedUrl() method (vendor/magento/module-catalog/Helper/Data.php)

[Issue Description]
[Preconditions]

1. Magento CE 2.1.0 without sample data is installed.
2. Custom plugin created for \Magento\Checkout\Block\Cart > getContinueShoppingUrl()
3. getLastViewedUrl() used in this plugin to improve "Continue Shopping URL" functionality
   

[Steps to reproduce]

1. Enable caches
2. Add something to cart
3. Visit some product page
4. Refresh cart page
5. Check "Continue Shopping" URL

[Actual result]
"Continue Shopping" URL leads to homepage

[Expected result]
"Continue Shopping" URL should lead to the last visited product page

Note: it works fine if caches disabled

[PascalBrouwers]

As a workaround you could set the block to be non-cachable. See my comment here: #6745 (comment)