Earlier quoted context omitted.
I should have qualified my statement by mentioning that the Chrome app process runs a couple of background services - this causes it to be killed for low memory after normal background processes (the actual behaviour is a little more complex than that, but that's the gist of it), which could potentially impact the performance of multitasking. The proper thing to do is to run background services in a separate process…
The comment I was referring to is under this G+ post: https://plus.google.com/105051985738280261832/posts/intiB73F...
- a single-core device
- a device with a screen smaller than 4.5"
- a device with less than 720p resolution
- ...