feat(devices): add iPhone 16 and iPhone 17 device families

[Dmitry Munda (dimkin-eu)]

Summary

Add device descriptors for the iPhone 16 and iPhone 17 generations to deviceDescriptorsSource.json. Every device has portrait and landscape variants, following the conventions of existing iPhone entries in this file. Pre-existing entries are unchanged.

Originally this branch also added Pixel 9 / 10 family entries, but #40928 landed first and covers the same range; rebased to iPhone-only to avoid duplication.

Devices added

10 devices (20 entries with landscape), all defaultBrowserType: webkit:

Device	screen	scale
iPhone 16	393×852	3
iPhone 16 Plus	430×932	3
iPhone 16 Pro	402×874	3
iPhone 16 Pro Max	440×956	3
iPhone 16e	390×844	3
iPhone 17	402×874	3
iPhone Air	420×912	3
iPhone 17 Pro	402×874	3
iPhone 17 Pro Max	440×956	3
iPhone 17e	390×844	3

Browser-chrome subtraction for the viewport values follows the existing iPhone 15 entries: 193 px portrait / 118 + 50 px landscape.

User-Agent string

All entries use the real-device UA captured from an iPhone 17 Pro:

Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.5 Mobile/15E148 Safari/604.1

iPhone OS 18_7 reflects Apple's UA OS-version freeze introduced in iOS 26 — Safari on any iOS 26+ iPhone now reports 18_7 regardless of the underlying OS version. Ref: https://www.kochava.com/blog/ios-26-apple-freezes-os-version/

Source

• iPhone screen + scale — ios-resolution.com (covers every device 16 / 16e / 17 / 17e / Air / Pro / Pro Max).

[Dmitry Munda (dimkin-eu)]

@microsoft-github-policy-service agree

[Dmitry Munda (dimkin-eu)]

Would like to add foldables (Galaxy Z Fold / Z Flip) in a follow-up or in the same PR. Each device has a cover (external, narrow) display and an inner display - the cover one is the main use case for me. Together, that's 2 screens × portrait + landscape = up to 4 entries per device, and there's no foldable precedent in deviceDescriptorsSource.json today, so I wanted to check the naming convention first. E.g.:

• Galaxy Z Fold 6 (inner) + Galaxy Z Fold 6 Cover (cover), plus landscape variants
• or Galaxy Z Fold 6 Inner / Galaxy Z Fold 6 Cover
• or something else

[Dmitry Gozman (dgozman)]

• Galaxy Z Fold 6 (inner) + Galaxy Z Fold 6 Cover (cover), plus landscape variants

This one looks good to me.

[Dmitry Gozman (dgozman)]

Dmitry Munda (@dimkin-eu) Sorry for the inconvenience, but this needs a rebase. There have been changes both to the device list, and to the chromium version, and all of that conflicts with your PR, unfrotunately.

[Dmitry Munda (dimkin-eu)]

Dmitry Munda (@dimkin-eu) Sorry for the inconvenience, but this needs a rebase. There have been changes both to the device list, and to the chromium version, and all of that conflicts with your PR, unfrotunately.

rebased

• Galaxy Z Fold 6 (inner) + Galaxy Z Fold 6 Cover (cover), plus landscape variants

This one looks good to me.

will do in new PR

[github-actions]

Test results for "MCP"

7181 passed, 1113 skipped

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Merge workflow run.

[github-actions]

Test results for "tests 1"

2 flaky

⚠️ [chromium-library] › library/popup.spec.ts:261 › should not throw when click closes popup `@chromium-ubuntu-22.04-node24`
⚠️ [chromium-library] › library/popup.spec.ts:261 › should not throw when click closes popup `@chromium-ubuntu-22.04-node20`

42067 passed, 852 skipped

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Merge workflow run.