[BreakpointsView] Turn breakpoints into an a11y tree. This adds tree, treeitem, and group accessible roles for the relevant parts of the breakpoints view. It also hides some non-relevant HTML elements from the a11y tools, and uses a proper separator element (<hr> instead of <div>). Bug: chromium:137416, chromium:1346231 Change-Id: I8aaacdd08309339ef0245f426a0bf145d5b9165c Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3948896 Reviewed-by: Kim-Anh Tran <kimanh@chromium.org> Commit-Queue: Kim-Anh Tran <kimanh@chromium.org> Auto-Submit: Benedikt Meurer <bmeurer@chromium.org>
The client-side of the Chrome DevTools, including all JS & CSS to run the DevTools webapp.
The frontend is available on chromium.googlesource.com.
Check out the project documentation for instructions to set up, use, and maintain a DevTools front-end checkout, as well as design guidelines, and architectural documentation.
DevTools frontend repository is mirrored on GitHub.
DevTools frontend is also available on NPM as the chrome-devtools-frontend package. It's not currently available via CJS or ES modules, so consuming this package in other tools may require some effort.
The version number of the npm package (e.g. 1.0.373466) refers to the Chromium commit position of latest frontend git commit. It's incremented with every Chromium commit, however the package is updated roughly daily.
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