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

chrome/test/live_sync/live_sync_test.h

Index: chrome/test/live_sync/live_sync_test.h
diff --git a/chrome/test/live_sync/live_sync_test.h b/chrome/test/live_sync/live_sync_test.h
index 43975f672a199f16492b9ebaa9a43dc5e639a90f..9fd33734fdb27a9fafb218fa6c091028d53848f2 100644
--- a/chrome/test/live_sync/live_sync_test.h
+++ b/chrome/test/live_sync/live_sync_test.h
@@ -58,7 +58,7 @@ class LiveSyncTest : public InProcessBrowserTest {
   static const BookmarkNode* GetByUniqueURL(BookmarkModel* m, const GURL& url);
 
   // Helper to ProfileManager::CreateProfile that handles path creation.
-  static Profile* MakeProfile(const std::wstring& name);
+  static Profile* MakeProfile(const FilePath::CharType* name);
 
   // Utility to block (by running the current MessageLoop) until the model has
   // loaded.  Note this is required instead of using m->BlockTillLoaded, as that