
Sims 3 doesn't handle a large amount of custom content very well, but 10 GB or so is doable. Saves take up a lot of space, often over 1 GB each if your sims like to travel, and you'll always want to keep backup copies of any given save in case something goes wrong. However, I wouldn't want to install the game on a drive smaller than 256 GB total. In terms of the storage you'd need, the Sims 3 base game plus 9 EPs would take up somewhere between 25 and 30 GB of storage, depending on which expansions you installed. Aside from that, Chromebooks generally have weak hardware that wouldn't support even moderately demanding games like Sims 3.
Chromebooks run Chrome OS, and Sims 3 only runs in Windows and macOS.
A Chromebook won't run Sims 3 at all, no matter how much storage it has. Acknowledging our debt to the former, we yearn, nonetheless, for the latter. There are two kinds of scientific progress: the methodical experimentation and categorization which gradually extend the boundaries of knowledge, and the revolutionary leap of genius which redefines and transcends those boundaries. My only hope is that someone in the director seat in the dev team for the expansion packs reads this and learns from it. A qoute from another EA title helps sum up my point. Innovation is a subtle thing, and should stay subtle. As comic book sales attest, we fans want re-iteration of existing products. Shiny new graphics means -nothing- if the product we receive doesn't match up with what we're used to (VERY convenient example: Sim City 4 compared to Sim City 5). How much equivalent content (game mechanics-wise) will there be in The Sims 4, that we recognize from the Sims 3? This is probably very similar to an already existing thread, but I'm creating this (possible) duplicate anyway.