Include only policy definitions that apply to the platfrom in the policy definition list.

chrome/browser/policy/asynchronous_policy_test_base.cc

 // Copyright (c) 2011 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/policy/asynchronous_policy_test_base.h"
 
 using content::BrowserThread;
 
 namespace policy {
 
 ProviderDelegateMock::ProviderDelegateMock()
     : AsynchronousPolicyProvider::Delegate() {}
 
 ProviderDelegateMock::~ProviderDelegateMock() {}
 
 AsynchronousPolicyTestBase::AsynchronousPolicyTestBase()
     : ui_thread_(BrowserThread::UI, &loop_),
       file_thread_(BrowserThread::FILE, &loop_) {}
 
 AsynchronousPolicyTestBase::~AsynchronousPolicyTestBase() {}
 
-void AsynchronousPolicyTestBase::SetUp() {
-  delegate_.reset(new ProviderDelegateMock());
-}
-
 void AsynchronousPolicyTestBase::TearDown() {
   loop_.RunAllPending();
 }
 
 }  // namespace policy