Revert 94426 - Removed wchat_t from Time::FromString.

base/file_util_unittest.cc

Index: base/file_util_unittest.cc
===================================================================
--- base/file_util_unittest.cc	(revision 94426)
+++ base/file_util_unittest.cc	(working copy)
@@ -1779,13 +1779,13 @@
   base::Time access_time;
   // This timestamp is divisible by one day (in local timezone),
   // to make it work on FAT too.
-  ASSERT_TRUE(base::Time::FromString("Wed, 16 Nov 1994, 00:00:00",
+  ASSERT_TRUE(base::Time::FromString(L"Wed, 16 Nov 1994, 00:00:00",
                                      &access_time));
 
   base::Time modification_time;
   // Note that this timestamp is divisible by two (seconds) - FAT stores
   // modification times with 2s resolution.
-  ASSERT_TRUE(base::Time::FromString("Tue, 15 Nov 1994, 12:45:26 GMT",
+  ASSERT_TRUE(base::Time::FromString(L"Tue, 15 Nov 1994, 12:45:26 GMT",
               &modification_time));
 
   ASSERT_TRUE(file_util::TouchFile(foobar, access_time, modification_time));