convert //gpu to std::unique_ptr

gpu/ipc/client/gpu_memory_buffer_impl_ozone_native_pixmap.h

Index: gpu/ipc/client/gpu_memory_buffer_impl_ozone_native_pixmap.h
diff --git a/gpu/ipc/client/gpu_memory_buffer_impl_ozone_native_pixmap.h b/gpu/ipc/client/gpu_memory_buffer_impl_ozone_native_pixmap.h
index 3ec59e90b89c10c845dfa4640a7887a0972f2589..ece1e001159950059fdb3acb3501467d3035da86 100644
--- a/gpu/ipc/client/gpu_memory_buffer_impl_ozone_native_pixmap.h
+++ b/gpu/ipc/client/gpu_memory_buffer_impl_ozone_native_pixmap.h
@@ -23,7 +23,7 @@ class GPU_EXPORT GpuMemoryBufferImplOzoneNativePixmap
  public:
   ~GpuMemoryBufferImplOzoneNativePixmap() override;
 
-  static scoped_ptr<GpuMemoryBufferImplOzoneNativePixmap> CreateFromHandle(
+  static std::unique_ptr<GpuMemoryBufferImplOzoneNativePixmap> CreateFromHandle(
       const gfx::GpuMemoryBufferHandle& handle,
       const gfx::Size& size,
       gfx::BufferFormat format,
@@ -51,9 +51,9 @@ class GPU_EXPORT GpuMemoryBufferImplOzoneNativePixmap
       const gfx::Size& size,
       gfx::BufferFormat format,
       const DestructionCallback& callback,
-      scoped_ptr<ui::ClientNativePixmap> native_pixmap);
+      std::unique_ptr<ui::ClientNativePixmap> native_pixmap);
 
-  scoped_ptr<ui::ClientNativePixmap> pixmap_;
+  std::unique_ptr<ui::ClientNativePixmap> pixmap_;
   void* data_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImplOzoneNativePixmap);