Google Code Search has a special version for searching Chromium's source code. Chromium is the open source project that powers Google Chrome, Chrome Frame, Flock.
Code Search adds search suggestions, cross-reference detection, a find feature that lets you search inside a file, an option that lets you find a file by name, links to Subversion and related files.
Google's search engine for source code has a new homepage that shows all the advanced search options:
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