This test documents Blink's web-exposed policy-controlled features.
All changes to this list should go through Blink's feature review process: http://www.chromium.org/blink#new-features

accelerometer
ambient-light-sensor
aria-notify
autofill
autoplay
camera
captured-surface-control
ch-device-memory
ch-downlink
ch-dpr
ch-ect
ch-prefers-color-scheme
ch-prefers-reduced-motion
ch-prefers-reduced-transparency
ch-rtt
ch-save-data
ch-ua
ch-ua-arch
ch-ua-bitness
ch-ua-form-factors
ch-ua-full-version
ch-ua-full-version-list
ch-ua-high-entropy-values
ch-ua-mobile
ch-ua-model
ch-ua-platform
ch-ua-platform-version
ch-ua-wow64
ch-viewport-height
ch-viewport-width
ch-width
clipboard-read
clipboard-write
compute-pressure
cross-origin-isolated
deferred-fetch
deferred-fetch-minimal
device-attributes
digital-credentials-create
digital-credentials-get
display-capture
encrypted-media
execution-while-not-rendered
execution-while-out-of-viewport
focus-without-user-activation
fullscreen
gamepad
geolocation
gyroscope
haptics
hid
identity-credentials-get
idle-detection
keyboard-map
language-detector
language-model
local-fonts
local-network
local-network-access
loopback-network
magnetometer
manual-text
media-playback-while-not-visible
microphone
midi
on-device-speech-recognition
otp-credentials
payment
picture-in-picture
private-state-token-issuance
private-state-token-redemption
publickey-credentials-create
publickey-credentials-get
rewriter
screen-wake-lock
serial
speaker-selection
storage-access
summarizer
sync-xhr
tools
translator
unload
usb
vertical-scroll
web-app-installation
window-management
writer
xr-spatial-tracking