Revert of [blink] Unique pointers in Platform.h

third_party/WebKit/Source/platform/audio/AudioDestination.cpp

Index: third_party/WebKit/Source/platform/audio/AudioDestination.cpp
diff --git a/third_party/WebKit/Source/platform/audio/AudioDestination.cpp b/third_party/WebKit/Source/platform/audio/AudioDestination.cpp
index adc5f7ac968a94c09bc41db5ec47ae5d7e1652f9..e71d5ec1d0382f3196048e39545da9686cd543b4 100644
--- a/third_party/WebKit/Source/platform/audio/AudioDestination.cpp
+++ b/third_party/WebKit/Source/platform/audio/AudioDestination.cpp
@@ -67,8 +67,8 @@
                                    PassRefPtr<SecurityOrigin> security_origin)
     : number_of_output_channels_(number_of_output_channels),
       is_playing_(false),
-      rendering_thread_(
-          Platform::Current()->CreateThread("WebAudio Rendering Thread")),
+      rendering_thread_(WTF::WrapUnique(
+          Platform::Current()->CreateThread("WebAudio Rendering Thread"))),
       fifo_(WTF::WrapUnique(
           new PushPullFIFO(number_of_output_channels, kFIFOSize))),
       output_bus_(AudioBus::Create(number_of_output_channels,
@@ -82,9 +82,9 @@
   // local input (e.g. loopback from OS audio system), but Chromium's media
   // renderer does not support it currently. Thus, we use zero for the number
   // of input channels.
-  web_audio_device_ = Platform::Current()->CreateAudioDevice(
+  web_audio_device_ = WTF::WrapUnique(Platform::Current()->CreateAudioDevice(
       0, number_of_output_channels, latency_hint, this, String(),
-      std::move(security_origin));
+      std::move(security_origin)));
   DCHECK(web_audio_device_);
 
   callback_buffer_size_ = web_audio_device_->FramesPerBuffer();