Revert of Use last active profile instead of default profile in profile manager

chrome/browser/profiles/profile_manager.cc

Index: chrome/browser/profiles/profile_manager.cc
diff --git a/chrome/browser/profiles/profile_manager.cc b/chrome/browser/profiles/profile_manager.cc
index 2e98ee413510fb3fda9d367005b1e23427fd0cf3..4972c7c4d2290f1258182e63f50ac3e0b6f14ffd 100644
--- a/chrome/browser/profiles/profile_manager.cc
+++ b/chrome/browser/profiles/profile_manager.cc
@@ -356,7 +356,6 @@
     return chromeos::ProfileHelper::Get()->GetProfileByUserUnsafe(user);
 
 #endif
-#if !defined(OS_WIN)
   Profile* profile =
       profile_manager->GetActiveUserOrOffTheRecordProfileFromPath(
           profile_manager->user_data_dir());
@@ -367,10 +366,6 @@
   // figure out how common this is. http://crbug.com/383019
   CHECK(profile) << profile_manager->user_data_dir().AsUTF8Unsafe();
   return profile;
-#else
-  return profile_manager->GetProfile(
-      profile_manager->GetLastUsedProfileDir(profile_manager->user_data_dir()));
-#endif
 }
 
 Profile* ProfileManager::GetProfile(const base::FilePath& profile_dir) {