Remove all traces of deprecated Get/SetReleaseTrack calls.

chrome/browser/chromeos/policy/device_policy_decoder_chromeos.cc

 // 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.
 
 #include "chrome/browser/chromeos/policy/device_policy_decoder_chromeos.h"
 
 #include <limits>
 
 #include "base/callback.h"
 #include "base/logging.h"
@@ skipping 381 matching lines @@
       std::string channel(container.release_channel());
       policies->Set(key::kChromeOsReleaseChannel,
                     POLICY_LEVEL_MANDATORY,
                     POLICY_SCOPE_MACHINE,
                     Value::CreateStringValue(channel),
                     NULL);
       // TODO(dubroy): Once http://crosbug.com/17015 is implemented, we won't
       // have to pass the channel in here, only ping the update engine to tell
       // it to fetch the channel from the policy.
       chromeos::DBusThreadManager::Get()->GetUpdateEngineClient()->
-          SetReleaseTrack(channel);
+          SetChannel(channel, false);
     }
     if (container.has_release_channel_delegated()) {
       policies->Set(key::kChromeOsReleaseChannelDelegated,
                     POLICY_LEVEL_MANDATORY,
                     POLICY_SCOPE_MACHINE,
                     Value::CreateBooleanValue(
                         container.release_channel_delegated()),
                     NULL);
     }
   }
@@ skipping 241 matching lines @@
   DecodeLoginPolicies(policy, policies);
   DecodeKioskPolicies(policy, policies, install_attributes);
   DecodeNetworkPolicies(policy, policies, install_attributes);
   DecodeReportingPolicies(policy, policies);
   DecodeAutoUpdatePolicies(policy, policies);
   DecodeAccessibilityPolicies(policy, policies);
   DecodeGenericPolicies(policy, policies);
 }
 
 }  // namespace policy