BraveEnableAutoTranslate for 25% STABLE

[atuchin-m]

For #480

[kjozwiak]

Desktop verification using Win 11 x64

Verification PASSED on Win 11 x64 using the following build(s):

Brave | 1.46.144 Chromium: 108.0.5359.128 (Official Build) (64-bit)
-- | --
Revision | 1cd27afdb8e5d057070c0961e04c490d2aca1aa0-refs/branch-heads/5359@{#1185}
OS | Windows 11 Version 22H2 (Build 22621.963)

Release channel

Test Case #1 - BraveAutoTranslateReleaseStudy:Default

• launch 1.46.144 Chromium: 108.0.5359.128 using --enable-logging=stderr --variations-server-url=https://variations.bravesoftware.com/seed
• ensured that BraveAutoTranslateReleaseStudy isn't being displayed under brave://version
• restart brave using --enable-logging=stderr --variations-server-url=https://variations.bravesoftware.com/seed
• ensured that BraveAutoTranslateReleaseStudy:Default via brave://version
• visited https://it.wikipedia.org/wiki/Pagina_principale and ensured that Brave Translate was visible via the omnibox
• ensured that Always translate [language] appeared via the hamburger menu via Brave Translate
• ensured that Always translate [language] appears right under the languages being detected after translating several websites

Example	Example	Example	Example

Test Case #2 - BraveAutoTranslateReleaseStudy:AutoTranslateDisabled

• launch 1.46.144 Chromium: 108.0.5359.128 using --enable-logging=stderr --variations-server-url=https://variations.bravesoftware.com/seed
• ensured that BraveAutoTranslateReleaseStudy isn't being displayed under brave://version
• restart brave using --enable-logging=stderr --variations-server-url=https://variations.bravesoftware.com/seed
• ensured that BraveAutoTranslateReleaseStudy:AutoTranslateDisabled via brave://version
• visited https://it.wikipedia.org/wiki/Pagina_principale and ensured that Brave Translate was visible via the omnibox
• ensured that Always translate [language] isn't appearing via the hamburger menu via Brave Translate
• ensured that Always translate [language] isn't appearing under the languages that have been detected

Example	Example	Example

[kjozwiak]

Android verification using Pixel 6 running Android 13

Verification PASSED on Pixel 6 running Android 13 using the following build(s):

Brave | 1.46.146 Chromium: 108.0.5359.128 (Official Build) (32-bit)
--- | ---
Revision | 1cd27afdb8e5d057070c0961e04c490d2aca1aa0-refs/branch-heads/5359@{#1185}
OS | Android 13; Build/TQ1A.221205.011

Using the method via brave/brave-core#10408 (comment), ensured that the Android device was pointing/using https://variations.bravesoftware.com/seed which is the staging server.

Release channel

Test Case #1 - BraveAutoTranslateReleaseStudy:Default

• launched 1.46.144 Chromium: 108.0.5359.128
• ensured that BraveAutoTranslateReleaseStudy isn't being displayed under brave://version
• restart brave and ensured that BraveAutoTranslateReleaseStudy:Default via brave://version
• visited https://it.wikipedia.org/wiki/Pagina_principale and ensured that Brave Translate was visible at the bottom
• ensured that Always translate [language] appeared via the hamburger menu via Brave Translate

Example	Example	Example

Test Case #2 - BraveAutoTranslateReleaseStudy:AutoTranslateDisabled

• launched 1.46.144 Chromium: 108.0.5359.128
• ensured that BraveAutoTranslateReleaseStudy isn't being displayed under brave://version
• restart brave and ensured that BraveAutoTranslateReleaseStudy:AutoTranslateDisabled`` via brave://version`
• visited https://it.wikipedia.org/wiki/Pagina_principale and ensured that Brave Translate was visible at the bottom
• ensured that Always translate [language] isn't appearing via the hamburger menu via Brave Translate

Example	Example	Example

[kjozwiak]

Quickly went through a spot check before merging/approving into production. Thorough verification's were done via #479 (comment), #479 (comment), brave/brave-browser#27040 (comment) & brave/brave-browser#27040 (comment).