convert //gpu to std::unique_ptr

gpu/ipc/client/gpu_memory_buffer_impl_shared_memory.h

 // 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.
 
 #ifndef GPU_IPC_CLIENT_GPU_MEMORY_BUFFER_IMPL_SHARED_MEMORY_H_
 #define GPU_IPC_CLIENT_GPU_MEMORY_BUFFER_IMPL_SHARED_MEMORY_H_
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "gpu/gpu_export.h"
 #include "gpu/ipc/client/gpu_memory_buffer_impl.h"
 
 namespace gpu {
 
 // Implementation of GPU memory buffer based on shared memory.
 class GPU_EXPORT GpuMemoryBufferImplSharedMemory : public GpuMemoryBufferImpl {
  public:
   ~GpuMemoryBufferImplSharedMemory() override;
 
-  static scoped_ptr<GpuMemoryBufferImplSharedMemory> Create(
+  static std::unique_ptr<GpuMemoryBufferImplSharedMemory> Create(
       gfx::GpuMemoryBufferId id,
       const gfx::Size& size,
       gfx::BufferFormat format,
       const DestructionCallback& callback);
 
   static gfx::GpuMemoryBufferHandle AllocateForChildProcess(
       gfx::GpuMemoryBufferId id,
       const gfx::Size& size,
       gfx::BufferFormat format,
       base::ProcessHandle child_process);
 
-  static scoped_ptr<GpuMemoryBufferImplSharedMemory> CreateFromHandle(
+  static std::unique_ptr<GpuMemoryBufferImplSharedMemory> CreateFromHandle(
       const gfx::GpuMemoryBufferHandle& handle,
       const gfx::Size& size,
       gfx::BufferFormat format,
       gfx::BufferUsage usage,
       const DestructionCallback& callback);
 
   static bool IsUsageSupported(gfx::BufferUsage usage);
   static bool IsConfigurationSupported(gfx::BufferFormat format,
                                        gfx::BufferUsage usage);
   static bool IsSizeValidForFormat(const gfx::Size& size,
                                    gfx::BufferFormat format);
 
   static base::Closure AllocateForTesting(const gfx::Size& size,
                                           gfx::BufferFormat format,
                                           gfx::BufferUsage usage,
                                           gfx::GpuMemoryBufferHandle* handle);
 
   // Overridden from gfx::GpuMemoryBuffer:
   bool Map() override;
   void* memory(size_t plane) override;
   void Unmap() override;
   int stride(size_t plane) const override;
   gfx::GpuMemoryBufferHandle GetHandle() const override;
 
  private:
-  GpuMemoryBufferImplSharedMemory(gfx::GpuMemoryBufferId id,
-                                  const gfx::Size& size,
-                                  gfx::BufferFormat format,
-                                  const DestructionCallback& callback,
-                                  scoped_ptr<base::SharedMemory> shared_memory,
-                                  size_t offset,
-                                  int stride);
+  GpuMemoryBufferImplSharedMemory(
+      gfx::GpuMemoryBufferId id,
+      const gfx::Size& size,
+      gfx::BufferFormat format,
+      const DestructionCallback& callback,
+      std::unique_ptr<base::SharedMemory> shared_memory,
+      size_t offset,
+      int stride);
 
-  scoped_ptr<base::SharedMemory> shared_memory_;
+  std::unique_ptr<base::SharedMemory> shared_memory_;
   size_t offset_;
   int stride_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImplSharedMemory);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_IPC_CLIENT_GPU_MEMORY_BUFFER_IMPL_SHARED_MEMORY_H_