Fix second-profile dir so that it's a sibling of the first; eliminate a FromWStringHack.

chrome/test/live_sync/single_client_live_preferences_sync_unittest.cc

Index: chrome/test/live_sync/single_client_live_preferences_sync_unittest.cc
diff --git a/chrome/test/live_sync/single_client_live_preferences_sync_unittest.cc b/chrome/test/live_sync/single_client_live_preferences_sync_unittest.cc
index 8e0da62585f035c3bcfb0d39372e7abac90dba54..6c3c181b9261953ce3b6db0a4ca7bb42ff109a94 100644
--- a/chrome/test/live_sync/single_client_live_preferences_sync_unittest.cc
+++ b/chrome/test/live_sync/single_client_live_preferences_sync_unittest.cc
@@ -42,7 +42,8 @@ class SingleClientLivePreferencesSyncTest : public LiveSyncTest {
 IN_PROC_BROWSER_TEST_F(SingleClientLivePreferencesSyncTest, Sanity) {
   SetupSync();
 
-  PrefService* expected = LiveSyncTest::MakeProfile(L"verifier")->GetPrefs();
+  PrefService* expected = LiveSyncTest::MakeProfile(
+      FILE_PATH_LITERAL("verifier"))->GetPrefs();
   expected->SetBoolean(prefs::kHomePageIsNewTabPage, true);
 
   prefs()->SetBoolean(prefs::kHomePageIsNewTabPage, true);