Convert //components/mus from scoped_ptr to std::unique_ptr

components/mus/gles2/mojo_buffer_backing.cc

 // Copyright 2014 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 "components/mus/gles2/mojo_buffer_backing.h"
 
 #include "base/logging.h"
 
 namespace mus {
 
 MojoBufferBacking::MojoBufferBacking(mojo::ScopedSharedBufferHandle handle,
                                      void* memory,
                                      size_t size)
     : handle_(std::move(handle)), memory_(memory), size_(size) {}
 
 MojoBufferBacking::~MojoBufferBacking() {
   mojo::UnmapBuffer(memory_);
 }
 
 // static
-scoped_ptr<gpu::BufferBacking> MojoBufferBacking::Create(
+std::unique_ptr<gpu::BufferBacking> MojoBufferBacking::Create(
     mojo::ScopedSharedBufferHandle handle,
     size_t size) {
   void* memory = NULL;
   MojoResult result = mojo::MapBuffer(handle.get(), 0, size, &memory,
                                       MOJO_MAP_BUFFER_FLAG_NONE);
   if (result != MOJO_RESULT_OK)
-    return scoped_ptr<BufferBacking>();
+    return std::unique_ptr<BufferBacking>();
   DCHECK(memory);
-  return scoped_ptr<BufferBacking>(
+  return std::unique_ptr<BufferBacking>(
       new MojoBufferBacking(std::move(handle), memory, size));
 }
 void* MojoBufferBacking::GetMemory() const {
   return memory_;
 }
 size_t MojoBufferBacking::GetSize() const {
   return size_;
 }
 
 }  // namespace mus