the unit test attempts to mock out the default port on the platform, but the default on 'win32', rightly or wrongly, is 'win', and not 'chromium-win'. And 'win' doesn't work - see bug 38756.
Created attachment 82894 [details] Patch
Created attachment 82896 [details] Patch
Comment on attachment 82896 [details] Patch darn ... wrong bug.
Comment on attachment 82894 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=82894&action=review > Tools/Scripts/webkitpy/layout_tests/port/mock_drt_unittest.py:46 > + if sys.platform == 'win32': > + return mock_drt.MockDRTPort(port_name='mock-chromium-win') You could add a FIXME here referencing bug 48728 and a desire to test both chromium-win and win.
Committed r79041: <http://trac.webkit.org/changeset/79041>