Revert of [blink] Unique pointers in Platform.h

third_party/WebKit/Source/platform/graphics/DeferredImageDecoderTest.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 208 matching lines @@
   PaintCanvas* temp_canvas = recorder.beginRecording(100, 100);
   temp_canvas->drawImage(
       PaintImage(std::move(image), PaintImage::AnimationType::STATIC,
                  PaintImage::CompletionState::DONE),
       0, 0);
   sk_sp<PaintRecord> record = recorder.finishRecordingAsPicture();
   EXPECT_EQ(0, decode_request_count_);
 
   // Create a thread to rasterize PaintRecord.
   std::unique_ptr<WebThread> thread =
-      Platform::Current()->CreateThread("RasterThread");
+      WTF::WrapUnique(Platform::Current()->CreateThread("RasterThread"));
   thread->GetWebTaskRunner()->PostTask(
       BLINK_FROM_HERE,
       CrossThreadBind(&RasterizeMain, CrossThreadUnretained(canvas_.get()),
                       record));
   thread.reset();
   EXPECT_EQ(0, decode_request_count_);
   EXPECT_EQ(SkColorSetARGB(255, 255, 255, 255), bitmap_.getColor(0, 0));
 }
 
 TEST_F(DeferredImageDecoderTest, singleFrameImageLoading) {
@@ skipping 155 matching lines @@
       SharedBuffer::Create(data_->Data(), data_->size());
   EXPECT_EQ(original_data->size(), data_->size());
   lazy_decoder_->SetData(original_data, false);
   RefPtr<SharedBuffer> new_data = lazy_decoder_->Data();
   EXPECT_EQ(original_data->size(), new_data->size());
   EXPECT_EQ(0, std::memcmp(original_data->Data(), new_data->Data(),
                            new_data->size()));
 }
 
 }  // namespace blink