feat(webview): support setUserAgent

[dcrousso]

No description provided.

[yury-s]

any new passing tests?

[yury-s]

revert?

[github-actions]

Test results for "MCP"

2 failed
❌ [chromium] › mcp/http.spec.ts:103 › http transport browser lifecycle (isolated) @mcp-ubuntu-latest-chromium
❌ [msedge] › mcp/annotate.spec.ts:273 › should enter annotate mode on fresh dashboard.tsx mount with -s --annotate @mcp-windows-latest-msedge

7352 passed, 1122 skipped

---

Merge workflow run.

[github-actions]

Test results for "tests 1"

1 failed
❌ [firefox-page] › page/workers.spec.ts:40 › should emit created and destroyed events @firefox-ubuntu-22.04-node20

2 flaky

⚠️ [chromium-library] › library/chromium/chromium.spec.ts:177 › serviceWorker(), and fromServiceWorker() work `@chromium-ubuntu-22.04-node20`
⚠️ [chromium-library] › library/popup.spec.ts:260 › should not throw when click closes popup `@chromium-ubuntu-22.04-node22`

48909 passed, 1142 skipped

---

Merge workflow run.

[github-actions]

Test results for "tests 2"

2 fatal errors, not part of any test
10 failed
❌ [firefox-page] › page/workers.spec.ts:40 › should emit created and destroyed events @tracing-firefox
❌ [firefox-library] › library/defaultbrowsercontext-2.spec.ts:139 › should create userDataDir if it does not exist @firefox-macos-15-large
❌ [firefox-library] › library/defaultbrowsercontext-2.spec.ts:180 › should have passed URL when launching with ignoreDefaultArgs: true @firefox-macos-15-large
❌ [firefox-library] › library/defaultbrowsercontext-2.spec.ts:209 › should fire close event for a persistent context @firefox-macos-15-large
❌ [firefox-library] › library/inspector/cli-codegen-java.spec.ts:125 › should print a valid basic program in junit @firefox-macos-15-large
❌ [firefox-library] › library/inspector/cli-codegen-python-async.spec.ts:80 › should save the codegen output to a file if specified @firefox-macos-15-large
❌ [firefox-library] › library/inspector/cli-codegen-python.spec.ts:76 › should save the codegen output to a file if specified @firefox-macos-15-large
❌ [firefox-page] › page/workers.spec.ts:40 › should emit created and destroyed events @firefox-macos-15-large
❌ [firefox-page] › page/workers.spec.ts:40 › should emit created and destroyed events @firefox-windows-latest
❌ [firefox-page] › page/workers.spec.ts:40 › should emit created and destroyed events @firefox-macos-15-xlarge

32 flaky

⚠️ [chromium-library] › library/video.spec.ts:456 › screencast › should be 800x600 with null viewport `@msedge-dev-windows-latest`
⚠️ [chromium-library] › library/video.spec.ts:456 › screencast › should be 800x600 with null viewport `@chrome-ubuntu-22.04`
⚠️ [chromium-library] › library/video.spec.ts:456 › screencast › should be 800x600 with null viewport `@msedge-windows-latest`
⚠️ [chromium-library] › library/video.spec.ts:717 › screencast › should work with video+trace `@chromium-windows-latest`
⚠️ [chromium-library] › library/browsertype-connect.spec.ts:117 › launchServer › should print HTTP error `@chromium-macos-15-large`
⚠️ [chromium-library] › library/heap.spec.ts:203 › cycle handles `@chromium-macos-15-large`
⚠️ [chromium-library] › library/inspector/cli-codegen-2.spec.ts:526 › cli codegen › should generate getByTestId for any of the configured testIdAttributes `@chromium-macos-15-large`
⚠️ [chromium-library] › library/video.spec.ts:645 › screencast › should capture full viewport `@chromium-macos-15-xlarge`
⚠️ [chromium-library] › library/video.spec.ts:680 › screencast › should capture full viewport on hidpi `@chromium-macos-15-xlarge`
⚠️ [chromium-library] › library/video.spec.ts:456 › screencast › should be 800x600 with null viewport `@chrome-windows-latest`
⚠️ [chromium-library] › library/chromium/chromium.spec.ts:177 › serviceWorker(), and fromServiceWorker() work `@chrome-beta-ubuntu-22.04`
⚠️ [chromium-library] › library/video.spec.ts:456 › screencast › should be 800x600 with null viewport `@chrome-beta-ubuntu-22.04`
⚠️ [chromium-library] › library/browsertype-connect.spec.ts:141 › launchServer › should be able to reconnect to a browser `@chrome-macos-latest`
⚠️ [chromium-library] › library/browsertype-connect.spec.ts:189 › launchServer › should ignore page.pause when headed `@chrome-macos-latest`
⚠️ [chromium-library] › library/browsertype-connect.spec.ts:386 › launchServer › should reject waitForSelector when browser closes `@chrome-macos-latest`
⚠️ [chromium-library] › library/browsertype-connect.spec.ts:431 › launchServer › should reject waitForEvent before browser.close finishes `@chrome-macos-latest`
⚠️ [chromium-library] › library/video.spec.ts:456 › screencast › should be 800x600 with null viewport `@chrome-macos-latest`
⚠️ [chromium-library] › library/chromium/chromium.spec.ts:434 › should produce network events, routing, and annotations for Service Worker (advanced) `@driver`
⚠️ [firefox-library] › library/defaultbrowsercontext-2.spec.ts:229 › should respect selectors `@firefox-macos-15-large`
⚠️ [firefox-library] › library/inspector/cli-codegen-csharp.spec.ts:231 › should work with --save-har and --save-har-glob in nunit `@firefox-macos-15-large`
⚠️ [firefox-library] › library/inspector/cli-codegen-csharp.spec.ts:202 › should not print context options method override in mstest if no options were passed `@firefox-macos-15-large`
⚠️ [firefox-library] › library/inspector/cli-codegen-csharp.spec.ts:208 › should print context options method override in mstest if options were passed `@firefox-macos-15-large`
⚠️ [firefox-library] › library/inspector/cli-codegen-python.spec.ts:36 › should print the correct context options for custom settings `@firefox-macos-15-large`
⚠️ [firefox-library] › library/inspector/cli-codegen-test.spec.ts:20 › should print the correct imports and context options `@firefox-macos-15-large`
⚠️ [firefox-library] › library/proxy.spec.ts:316 › should use socks proxy in second page `@firefox-macos-15-large`
⚠️ [firefox-library] › library/screenshot.spec.ts:213 › page screenshot › should not hang when event loop is blocked `@firefox-macos-15-xlarge`
⚠️ [webkit-library] › library/defaultbrowsercontext-2.spec.ts:65 › should support locale option `@tracing-webkit`
⚠️ [webkit-library] › library/proxy.spec.ts:125 › should allow bypassing localhost requests `@tracing-webkit`
⚠️ [webkit-page] › page/page-set-input-files.spec.ts:295 › should detect mime type `@tracing-webkit`
⚠️ [webkit-library] › library/inspector/cli-codegen-python-async.spec.ts:24 › should print the correct imports and context options `@webkit-windows-latest`
⚠️ [android-page] › page/page-autowaiting-no-hang.spec.ts:93 › clicking in the middle of navigation that commits
⚠️ [android-page] › page/page-request-fulfill.spec.ts:81 › should fulfill with unuassigned status codes

104503 passed, 4403 skipped

---

Merge workflow run.