Throttling rate as a slowdown factor (1 is no throttle, 2 is 2x slowdown, etc).

RGBA of the default background color. If not specified, any existing override will be cleared.

Overriding width value in pixels (minimum 0, maximum 10000000). 0 disables the override.

Overriding height value in pixels (minimum 0, maximum 10000000). 0 disables the override.

Overriding device scale factor value. 0 disables the override.

Whether to emulate mobile device. This includes viewport meta tag, overlay scrollbars, text autosizing and more.

Scale to apply to resulting view image.

Overriding screen width value in pixels (minimum 0, maximum 10000000).

Overriding screen height value in pixels (minimum 0, maximum 10000000).

Overriding view X position on screen in pixels (minimum 0, maximum 10000000).

Overriding view Y position on screen in pixels (minimum 0, maximum 10000000).

Do not set visible view size, rely upon explicit setVisibleSize call.

Screen orientation override.

If set, the visible area of the page will be overridden to this viewport. This viewport change is not observed by the page, e.g. viewport-relative elements do not change positions.

If set, the display feature of a multi-segment screen. If not set, multi-segment support is turned-off.

If set, the posture of a foldable device. If not set the posture is set to continuous. Deprecated, use Emulation.setDevicePostureOverride.

Media type to emulate. Empty string disables the override.

Media features to emulate.

Vision deficiency to emulate. Order: best-effort emulations come first, followed by any physiologically accurate emulations for medically recognized color vision deficiencies.

Mock latitude

Mock longitude

Mock accuracy

Mock isUserActive

Mock isScreenUnlocked

Whether script execution should be disabled in the page.

The timezone identifier. List of supported timezones: https://source.chromium.org/chromium/chromium/deps/icu.git/+/faee8bc70570192d82d2978a71e2a615788597d1:source/data/misc/metaZones.txt If empty, disables the override and restores default host system timezone.

Whether the touch event emulation should be enabled.

Maximum touch points supported. Defaults to one.

User agent to use.

Browser language to emulate.

The platform navigator.platform should return.

To be sent in Sec-CH-UA-* headers and returned in navigator.userAgentData

True if emulation is supported.

Whether to enable or disable automatic dark mode. If not specified, any existing override will be cleared.

Whether the override should be enabled.

Image types to disable.

Whether document.coookie API should be disabled.

Whether touch emulation based on mouse input should be enabled.

Touch/gesture events configuration. Default: current platform.

Whether to enable to disable focus emulation.

Hardware concurrency to report

ICU style C locale (e.g. "en_US"). If not specified or empty, disables the override and restores default host system locale.

Page scale factor.

Whether scrollbars should be always hidden.

If set, after this many virtual milliseconds have elapsed virtual time will be paused and a virtualTimeBudgetExpired event is sent.

If set this specifies the maximum number of tasks that can be run before virtual is forced forwards to prevent deadlock.

If set, base::Time::Now will be overridden to initially return this value.

Absolute timestamp at which virtual time was first enabled (up time in milliseconds).

The platform navigator.platform should return.

Frame width (DIP).

Frame height (DIP).

Current posture of the device

Orientation of a display feature in relation to screen

The offset from the screen origin in either the x (for vertical orientation) or y (for horizontal orientation) direction.

A display feature may mask content such that it is not physically displayed - this length along with the offset describes this area. A display feature that only splits content will have a 0 mask_length.

Orientation type.

Orientation angle.

Brands appearing in Sec-CH-UA.

Brands appearing in Sec-CH-UA-Full-Version-List.