Update VPD cache file location.

chromeos/system/statistics_provider.cc

 // Copyright 2013 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 "chromeos/system/statistics_provider.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 39 matching lines @@
 const char kIsVmCrosSystemKey[] = "inside_vm";
 
 // Key/value delimiters of machine hardware info file. machine-info is generated
 // only for OOBE and enterprise enrollment and may not be present. See
 // login-manager/init/machine-info.conf.
 const char kMachineHardwareInfoEq[] = "=";
 const char kMachineHardwareInfoDelim[] = " \n";
 
 // File to get ECHO coupon info from, and key/value delimiters of
 // the file.
-const char kEchoCouponFile[] = "/var/cache/echo/vpd_echo.txt";
+const char kEchoCouponFile[] =
+    "/mnt/stateful_partition/unencrypted/cache/vpd/echo/vpd_echo.txt";
 const char kEchoCouponEq[] = "=";
 const char kEchoCouponDelim[] = "\n";
 
 // Key/value delimiters for VPD file.
 const char kVpdEq[] = "=";
 const char kVpdDelim[] = "\n";
 
 // File to get regional data from.
 const char kCrosRegions[] = "/usr/share/misc/cros-regions.json";
 
@@ skipping 554 matching lines @@
   return StatisticsProviderImpl::GetInstance();
 }
 
 // static
 void StatisticsProvider::SetTestProvider(StatisticsProvider* test_provider) {
   g_test_statistics_provider = test_provider;
 }
 
 }  // namespace system
 }  // namespace chromeos