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 57c030347f3363f172d2712c3945a65f649936ee..ff053c2dd65a801f89c79d8f8588ba8f724af20e 100644
--- a/third_party/WebKit/Source/platform/audio/AudioDestination.cpp
+++ b/third_party/WebKit/Source/platform/audio/AudioDestination.cpp
@@ -77,9 +77,9 @@
   // 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();