Fix double close in MojoAudioOutputStream.

content/browser/renderer_host/media/render_frame_audio_output_stream_factory_unittest.cc

 // Copyright 2017 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 "content/browser/renderer_host/media/render_frame_audio_output_stream_factory.h"
 
 #include <limits>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 221 matching lines @@
 
   provider->Acquire(
       mojo::MakeRequest<AudioOutputStream>(&output_stream), params,
       base::Bind(&MockClient::StreamCreated, base::Unretained(&client)));
   base::RunLoop().RunUntilIdle();
   ASSERT_NE(event_handler, nullptr);
 
   base::SharedMemory shared_memory;
   ASSERT_TRUE(shared_memory.CreateAndMapAnonymous(100));
 
-  base::CancelableSyncSocket local, remote;
-  ASSERT_TRUE(base::CancelableSyncSocket::CreatePair(&local, &remote));
-  event_handler->OnStreamCreated(kStreamId, &shared_memory, &remote);
+  auto local = base::MakeUnique<base::CancelableSyncSocket>();
+  auto remote = base::MakeUnique<base::CancelableSyncSocket>();
+  ASSERT_TRUE(
+      base::CancelableSyncSocket::CreatePair(local.get(), remote.get()));
+  event_handler->OnStreamCreated(kStreamId, &shared_memory, std::move(remote));
 
   base::RunLoop().RunUntilIdle();
   // Make sure we got the callback from creating stream.
   EXPECT_TRUE(client.was_called());
 }
 
 TEST(RenderFrameAudioOutputStreamFactoryTest, NotAuthorized_Denied) {
   content::TestBrowserThreadBundle thread_bundle;
   AudioOutputStreamProviderPtr output_provider;
   auto factory_context = base::MakeUnique<MockContext>(false);
@@ skipping 107 matching lines @@
   EXPECT_FALSE(got_bad_message);
   factory_ptr->RequestDeviceAuthorization(
       mojo::MakeRequest(&output_provider), session_id, "default",
       base::Bind([](media::OutputDeviceStatus, const media::AudioParameters&,
                     const std::string&) {}));
   base::RunLoop().RunUntilIdle();
   EXPECT_TRUE(got_bad_message);
 }
 
 }  // namespace content