Revert "Componentize chrome/browser/rlz"

chrome/browser/rlz/rlz_chromeos.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/rlz/rlz_tracker.h"
-
-namespace rlz {
+#include "chrome/browser/rlz/rlz.h"
 
 // static
 rlz_lib::AccessPoint RLZTracker::ChromeOmnibox() {
   return rlz_lib::CHROMEOS_OMNIBOX;
 }
 
 // static
 rlz_lib::AccessPoint RLZTracker::ChromeHomePage() {
   return rlz_lib::CHROMEOS_HOME_PAGE;
 }
 
 // static
 rlz_lib::AccessPoint RLZTracker::ChromeAppList() {
   return rlz_lib::CHROMEOS_APP_LIST;
 }
-
-}  // namespace rlz