components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/policy/core/common/policy_loader_mac_unittest.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 <CoreFoundation/CoreFoundation.h>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/mac/scoped_cftyperef.h"
@@ skipping 122 matching lines @@
 // once the mac loader supports 3rd party policy. http://crbug.com/108995
 
 // Special test cases for some mac preferences details.
 class PolicyLoaderMacTest : public PolicyTestBase {
  protected:
   PolicyLoaderMacTest()
       : prefs_(new MockPreferences()) {}
 
   void SetUp() override {
     PolicyTestBase::SetUp();
-    scoped_ptr<AsyncPolicyLoader> loader(new PolicyLoaderMac(
-        loop_.message_loop_proxy(), base::FilePath(), prefs_));
+    scoped_ptr<AsyncPolicyLoader> loader(
+        new PolicyLoaderMac(loop_.task_runner(), base::FilePath(), prefs_));
     provider_.reset(new AsyncPolicyProvider(&schema_registry_, loader.Pass()));
     provider_->Init(&schema_registry_);
   }
 
   void TearDown() override {
     provider_->Shutdown();
     PolicyTestBase::TearDown();
   }
 
   MockPreferences* prefs_;
@@ skipping 34 matching lines @@
   expected_bundle.Get(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()))
       .Set(test_keys::kKeyString,
            POLICY_LEVEL_RECOMMENDED,
            POLICY_SCOPE_USER,
            new base::StringValue("string value"),
            NULL);
   EXPECT_TRUE(provider_->policies().Equals(expected_bundle));
 }
 
 }  // namespace policy