on master (Commit 8ffefca7c4e)

unit_tests --gtest_filter=FileCacheTest.*

5 tests failed:
    FileCacheTest.ClearDirty (../../components/drive/chromeos/file_cache_unittest.cc:648)
    FileCacheTest.FixMetadataAndFileAttributes (../../components/drive/chromeos/file_cache_unittest.cc:751)
    FileCacheTest.OpenForWrite (../../components/drive/chromeos/file_cache_unittest.cc:549)
    FileCacheTest.PinAndUnpin (../../components/drive/chromeos/file_cache_unittest.cc:466)
    FileCacheTest.Store (../../components/drive/chromeos/file_cache_unittest.cc:418)