* Do not assume imageCache is created when handleMemoryPressure is called

* comment for test

* [Slider] Rebase.

* disabled thumb color with alphaBlend of colorScheme surface

* test remove alphablend

* Change rectangular track to how it used to be

* Chaned to adaptive slider

* blank lines
Co-authored-by: Will Larche <larche@google.com>

* Remove network images from cache on any exception during loading

This reverts commit e71cf1cd.

* Remove listeners for live images when we clear them

* review, more test

* explanation

Use strut box heights to calculate selection rectangles in order to ensure that they remain within visible bounds (#50354)

* Reland "Live image cache" (#51441)

This reverts commit 419a2853.

* Make evict safer

* Revert "Live image cache (#51249)"

This reverts commit e2dcdb60.

* fix tests for other commit

* Revert "Revert "Live image cache (#50318)" (#51131)"

This reverts commit 2f09d601.

* Fix eviction of a pending image

This reverts commit 1602be6a.

Track images available on screen