Fix include path for moved thread_task_runner_handle.h header in remoting/

remoting/protocol/pairing_registry_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 "remoting/protocol/pairing_registry.h"
 
 #include <stdlib.h>
 
 #include <algorithm>
 #include <memory>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
-#include "base/thread_task_runner_handle.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "remoting/protocol/protocol_mock_objects.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using testing::Sequence;
 
 namespace {
 
 using remoting::protocol::PairingRegistry;
@@ skipping 221 matching lines @@
   registry->GetPairing(
       pairing_3.client_id(),
       base::Bind(&MockPairingRegistryCallbacks::GetPairingCallback,
                  base::Unretained(&callbacks)));
 
   run_loop_.Run();
 }
 
 }  // namespace protocol
 }  // namespace remoting