Deleted OS_WIN and all Windows specific files from base.

base/test/test_file_util.h

Index: base/test/test_file_util.h
diff --git a/base/test/test_file_util.h b/base/test/test_file_util.h
index 27197f2d3a457c77e5a2232199ebb9c28fcdb759..f7592dde3ac8e98527a74ffacadb1d28b89a85fc 100644
--- a/base/test/test_file_util.h
+++ b/base/test/test_file_util.h
@@ -36,17 +36,6 @@ bool DieFileDie(const FilePath& file, bool recurse);
 // to access this file will result in a cold load from the hard drive.
 bool EvictFileFromSystemCache(const FilePath& file);
 
-#if defined(OS_WIN)
-// Returns true if the volume supports Alternate Data Streams.
-bool VolumeSupportsADS(const FilePath& path);
-
-// Returns true if the ZoneIdentifier is correctly set to "Internet" (3).
-// Note that this function must be called from the same process as
-// the one that set the zone identifier.  I.e. don't use it in UI/automation
-// based tests.
-bool HasInternetZoneIdentifier(const FilePath& full_path);
-#endif  // defined(OS_WIN)
-
 // For testing, make the file unreadable or unwritable.
 // In POSIX, this does not apply to the root user.
 bool MakeFileUnreadable(const FilePath& path) WARN_UNUSED_RESULT;