[headless] Add DevTools Emulation.updateScreen() support on Linux [chromium/src : main]

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Peter Kvitek (Gerrit)

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Mar 4, 2026, 2:03:03 PM (9 days ago) Mar 4
to Andrey Kosyakov, Avi Drissman, Chromium LUCI CQ, chromium...@chromium.org, devtools...@chromium.org, headless...@chromium.org, ozone-...@chromium.org
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Avi Drissman (Gerrit)

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Mar 4, 2026, 2:58:03 PM (9 days ago) Mar 4
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stamp for when Andrey is happy

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Andrey Kosyakov (Gerrit)

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Mar 4, 2026, 4:53:06 PM (9 days ago) Mar 4
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Andrey Kosyakov . resolved

lgtm, but perhaps we can dedupe the boilerplate between headless_shell and chrome and have most protocol code in content/ while extracting embedder-specific differences into a delegate?

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Peter Kvitek (Gerrit)

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Mar 4, 2026, 4:59:11 PM (9 days ago) Mar 4
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Peter Kvitek added 1 comment

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Andrey Kosyakov . resolved

lgtm, but perhaps we can dedupe the boilerplate between headless_shell and chrome and have most protocol code in content/ while extracting embedder-specific differences into a delegate?

Peter Kvitek

I don't think screen management belongs to `//content`, however moving the related code to a shared location like `//components/headless/devtools` totally makes sense.

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Peter Kvitek (Gerrit)

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Mar 4, 2026, 4:59:20 PM (9 days ago) Mar 4
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Chromium LUCI CQ (Gerrit)

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Mar 4, 2026, 5:02:26 PM (9 days ago) Mar 4
to Peter Kvitek, Andrey Kosyakov, Avi Drissman, chromium...@chromium.org, devtools...@chromium.org, headless...@chromium.org, ozone-...@chromium.org

Chromium LUCI CQ submitted the change

Change information

Commit message:
[headless] Add DevTools Emulation.updateScreen() support on Linux

http://crrev.com/c/7617849 introduced Chrome DevTools method
Emulation.updateScreen() support in Chrome Headless Shell. This CL adds
support for this method in Chrome Headless Mode on Linux.
Bug: 397350115
Change-Id: Ief8f108a423c21aff3f0a92ef4dcc93a1fd99080
Reviewed-by: Andrey Kosyakov <ca...@chromium.org>
Commit-Queue: Peter Kvitek <kvi...@chromium.org>
Reviewed-by: Avi Drissman <a...@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1594231}
Files:
  • M chrome/browser/devtools/inspector_protocol_config.json
  • M chrome/browser/devtools/protocol/emulation_handler.cc
  • M chrome/browser/devtools/protocol/emulation_handler.h
  • M chrome/browser/headless/headless_mode_protocol_browsertest.cc
  • M ui/ozone/platform/headless/headless_screen.cc
Change size: M
Delta: 5 files changed, 138 insertions(+), 4 deletions(-)
Branch: refs/heads/main
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