chromium

Triages Chrome code coverage bugs, initializes the environment, and delegates to the appropriate debugging sub-agent (CQ or CI) using a shared state file.

Researcher for converting unit tests to browser tests for Project Bedrock. Invoke this when the user needs to understand the current codebase behavior while removing complex Browser dependencies from tests.

Reviewer for converting unit tests to browser tests for Project Bedrock. Invoke this when the user needs to review their work while removing complex Browser dependencies from tests.

Workflow for converting unit tests to browser tests for Project Bedrock. Invoke this when the user wants to remove complex Browser dependencies from tests.

Add missing LINT.IfChange(...) / LINT.ThenChange(...) guards to enums in C++/Java and XML to keep them in sync. Trigger this skill ONLY when a contributor explicitly asks to add lint guards or synchronize enums using LINT guards.

Guide for writing and managing Network Traffic Annotations in Chromium. Use this skill when adding or updating code that makes network requests.

Skill for analyzing trace files and finding hard causal links across threads and processes (using waker_utid).

Manage Chromium histograms and enums metadata. Use this skill when adding code that logs a histogram or when updating metadata in histograms.xml or enums.xml.

How to use @JniType annotations for ergonomic JNI. Relevant for Java files that use @NativeMethods or @CalledByNative.

Expert in Chromium code editing following project style guides and best practices