[cros] RlzValueStore implementation for ChromeOS.

rlz/chromeos/lib/machine_id_chromeos.cc

Index: rlz/chromeos/lib/machine_id_chromeos.cc
diff --git a/rlz/lib/assert.cc b/rlz/chromeos/lib/machine_id_chromeos.cc
similarity index 58%
copy from rlz/lib/assert.cc
copy to rlz/chromeos/lib/machine_id_chromeos.cc
index d8ad9358f632b8844aee4d01111a99064c5c979a..608fd03d3d2b35a765d66f3163390d88f4c7c204 100644
--- a/rlz/lib/assert.cc
+++ b/rlz/chromeos/lib/machine_id_chromeos.cc
@@ -1,15 +1,14 @@
 // Copyright (c) 2012 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.
-//
-// Macros specific to the RLZ library.
 
-#include "rlz/lib/assert.h"
+#include "rlz/lib/machine_id.h"
 
 namespace rlz_lib {
 
-#ifdef MUTE_EXPECTED_ASSERTS
-std::string expected_assertion_;
-#endif
+bool GetRawMachineId(string16* data, int* more_data) {
+  // Machine IDs are not tracked for ChromeOS.
+  return false;
+}
 
 }  // namespace rlz_lib