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

cc/raster/staging_buffer_pool.cc

 // Copyright 2016 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 "cc/raster/staging_buffer_pool.h"
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 287 matching lines @@
                      });
     if (it != free_buffers_.end()) {
       staging_buffer = std::move(*it);
       free_buffers_.erase(it);
       MarkStagingBufferAsBusy(staging_buffer.get());
     }
   }
 
   // Create new staging buffer if necessary.
   if (!staging_buffer) {
-    staging_buffer = base::WrapUnique(
-        new StagingBuffer(resource->size(), resource->format()));
+    staging_buffer =
+        base::MakeUnique<StagingBuffer>(resource->size(), resource->format());
     AddStagingBuffer(staging_buffer.get(), resource->format());
   }
 
   // Release enough free buffers to stay within the limit.
   while (staging_buffer_usage_in_bytes_ > max_staging_buffer_usage_in_bytes_) {
     if (free_buffers_.empty())
       break;
 
     free_buffers_.front()->DestroyGLResources(gl);
     MarkStagingBufferAsBusy(free_buffers_.front().get());
@@ skipping 83 matching lines @@
         return;
 
       busy_buffers_.front()->DestroyGLResources(gl);
       RemoveStagingBuffer(busy_buffers_.front().get());
       busy_buffers_.pop_front();
     }
   }
 }
 
 }  // namespace cc