puppeteer/new-docs/puppeteer.protocol.headlessexperimental.md
Johan Bay e89e264a16
feat(chromium): roll Chromium to r782078 (#6250)
This corresponds to Chromium 85.0.4182.0.

This roll includes: 
- Enable SameSiteByDefaultCookies and CookiesWithoutSameSiteMustBeSecure
   https://crrev.com/c/2231445
- [FlexNG] Enable FlexNG by default
   https://crrev.com/c/2216595

Closes #6151.
2020-07-20 17:17:06 +02:00

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<!-- Do not edit this file. It is automatically generated by API Documenter. -->
[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Protocol](./puppeteer.protocol.md) &gt; [HeadlessExperimental](./puppeteer.protocol.headlessexperimental.md)
## Protocol.HeadlessExperimental namespace
This domain provides experimental commands only supported in headless mode.
<b>Signature:</b>
```typescript
export namespace HeadlessExperimental
```
## Enumerations
| Enumeration | Description |
| --- | --- |
| [ScreenshotParamsFormat](./puppeteer.protocol.headlessexperimental.screenshotparamsformat.md) | |
## Interfaces
| Interface | Description |
| --- | --- |
| [BeginFrameRequest](./puppeteer.protocol.headlessexperimental.beginframerequest.md) | |
| [BeginFrameResponse](./puppeteer.protocol.headlessexperimental.beginframeresponse.md) | |
| [NeedsBeginFramesChangedEvent](./puppeteer.protocol.headlessexperimental.needsbeginframeschangedevent.md) | Issued when the target starts or stops needing BeginFrames. Deprecated. Issue beginFrame unconditionally instead and use result from beginFrame to detect whether the frames were suppressed. |
| [ScreenshotParams](./puppeteer.protocol.headlessexperimental.screenshotparams.md) | Encoding options for a screenshot. |