chromium/components/policy/resources/templates/policy_definitions/Miscellaneous/ExtensionCacheSize.yaml

arc_support: The cache is not used for Android apps. If multiple users install the
  same Android app, it will be downloaded anew for each user.
caption: Set Apps and Extensions cache size (in bytes)
default: 268435456
desc: Setting to lower than 1 MB or leaving it unset means <ph name="PRODUCT_OS_NAME">$2<ex>Google
  ChromeOS</ex></ph> uses the default size of 256 MiB for caching apps and extensions
  for installation by multiple users of a single device, avoiding the need to redownload
  each one for every user.
device_only: true
example_value: 104857600
features:
  dynamic_refresh: false
owners:
- file://components/policy/OWNERS
- [email protected]
schema:
  type: integer
supported_on:
- chrome_os:43-
tags: []
type: int
generate_device_proto: False