Reviewers: [a@example.com]
Description: ['chrome/browser']
M, chrome/browser/a.cc
M, chrome/browser/b.cc

Reviewers: [a@example.com, b@example.com]
Description: ['foo', 'bar/baz']
M, chrome/browser/b.cc
M, bar/baz/b.cc
D, foo/bar/c.h