[remoting] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

remoting/host/policy_watcher_unittest.cc

 // Copyright 2015 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 "base/basictypes.h"
 #include "base/bind.h"
 #include "base/json/json_writer.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/test/mock_log.h"
+#include "base/thread_task_runner_handle.h"
 #include "components/policy/core/common/fake_async_policy_loader.h"
 #include "policy/policy_constants.h"
 #include "remoting/host/dns_blackhole_checker.h"
 #include "remoting/host/policy_watcher.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace remoting {
 
 namespace key = ::policy::key;
@@ skipping 34 matching lines @@
 
 class PolicyWatcherTest : public testing::Test {
  public:
   PolicyWatcherTest() : message_loop_(base::MessageLoop::TYPE_IO) {}
 
   void SetUp() override {
     // We expect no callbacks unless explicitly specified by individual tests.
     EXPECT_CALL(mock_policy_callback_, OnPolicyUpdatePtr(testing::_)).Times(0);
     EXPECT_CALL(mock_policy_callback_, OnPolicyError()).Times(0);
 
-    message_loop_proxy_ = base::MessageLoopProxy::current();
-
     // Retaining a raw pointer to keep control over policy contents.
-    policy_loader_ = new policy::FakeAsyncPolicyLoader(message_loop_proxy_);
+    policy_loader_ =
+        new policy::FakeAsyncPolicyLoader(base::ThreadTaskRunnerHandle::Get());
     policy_watcher_ =
         PolicyWatcher::CreateFromPolicyLoader(make_scoped_ptr(policy_loader_));
 
     nat_true_.SetBoolean(key::kRemoteAccessHostFirewallTraversal, true);
     nat_false_.SetBoolean(key::kRemoteAccessHostFirewallTraversal, false);
     nat_one_.SetInteger(key::kRemoteAccessHostFirewallTraversal, 1);
     nat_one_domain_full_.SetInteger(key::kRemoteAccessHostFirewallTraversal, 1);
     nat_one_domain_full_.SetString(key::kRemoteAccessHostDomain, kHostDomain);
     domain_empty_.SetString(key::kRemoteAccessHostDomain, std::string());
     domain_full_.SetString(key::kRemoteAccessHostDomain, kHostDomain);
@@ skipping 119 matching lines @@
 
   const base::DictionaryValue& GetDefaultValues() {
     return *(policy_watcher_->default_values_);
   }
 
   MOCK_METHOD0(PostPolicyWatcherShutdown, void());
 
   static const char* kHostDomain;
   static const char* kPortRange;
   base::MessageLoop message_loop_;
-  scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
   MockPolicyCallback mock_policy_callback_;
 
   // |policy_loader_| is owned by |policy_watcher_|. PolicyWatcherTest retains
   // a raw pointer to |policy_loader_| in order to control the simulated / faked
   // policy contents.
   policy::FakeAsyncPolicyLoader* policy_loader_;
   scoped_ptr<PolicyWatcher> policy_watcher_;
 
   base::DictionaryValue empty_;
   base::DictionaryValue nat_true_;
@@ skipping 523 matching lines @@
   }
 
   // Today, the only verification offered by this test is:
   // - Manual verification of policy values dumped by OnPolicyUpdatedDumpPolicy
   // - Automated verification that nothing crashed
 }
 
 #endif
 
 }  // namespace remoting