nrwt/chromium: Don't prefer chromium over webkit build directories
https://bugs.webkit.org/show_bug.cgi?id=105597

Reviewed by Dirk Pranke.

Rely on the new timestamp logic instead. Requested by dpranke in
https://bugs.webkit.org/show_bug.cgi?id=105498

* Scripts/webkitpy/layout_tests/port/chromium.py:
(ChromiumPort._static_build_path):
* Scripts/webkitpy/layout_tests/port/chromium_linux_unittest.py:
(ChromiumLinuxPortTest.test_build_path):
* Scripts/webkitpy/layout_tests/port/chromium_mac_unittest.py:
(ChromiumMacPortTest.test_build_path):
* Scripts/webkitpy/layout_tests/port/chromium_win_unittest.py:
(ChromiumWinTest.test_build_path):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@139560 268f45cc-cd09-0410-ab3c-d52691b4dbfc