Re-write many calls to WrapUnique() with MakeUnique()

cc/playback/float_clip_display_item.h

 // Copyright 2015 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.
 
 #ifndef CC_PLAYBACK_FLOAT_CLIP_DISPLAY_ITEM_H_
 #define CC_PLAYBACK_FLOAT_CLIP_DISPLAY_ITEM_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 29 matching lines @@
   gfx::RectF clip_rect_;
 };
 
 class CC_EXPORT EndFloatClipDisplayItem : public DisplayItem {
  public:
   EndFloatClipDisplayItem();
   explicit EndFloatClipDisplayItem(const proto::DisplayItem& proto);
   ~EndFloatClipDisplayItem() override;
 
   static std::unique_ptr<EndFloatClipDisplayItem> Create() {
-    return base::WrapUnique(new EndFloatClipDisplayItem());
+    return base::MakeUnique<EndFloatClipDisplayItem>();
   }
 
   void ToProtobuf(proto::DisplayItem* proto) const override;
   void Raster(SkCanvas* canvas,
               SkPicture::AbortCallback* callback) const override;
   void AsValueInto(const gfx::Rect& visual_rect,
                    base::trace_event::TracedValue* array) const override;
   size_t ExternalMemoryUsage() const override;
 
   int ApproximateOpCount() const { return 0; }
 };
 
 }  // namespace cc
 
 #endif  // CC_PLAYBACK_FLOAT_CLIP_DISPLAY_ITEM_H_