Replace scoped_ptr with std::unique_ptr in //ui

ui/ozone/public/surface_ozone_canvas.h

Index: ui/ozone/public/surface_ozone_canvas.h
diff --git a/ui/ozone/public/surface_ozone_canvas.h b/ui/ozone/public/surface_ozone_canvas.h
index 31bada38f706c7b759163c3cd02c008d424509f0..155a8100275775e4815bf0bfbe878190ce010e5c 100644
--- a/ui/ozone/public/surface_ozone_canvas.h
+++ b/ui/ozone/public/surface_ozone_canvas.h
@@ -5,7 +5,8 @@
 #ifndef UI_OZONE_PUBLIC_SURFACE_OZONE_CANVAS_H_
 #define UI_OZONE_PUBLIC_SURFACE_OZONE_CANVAS_H_
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
 #include "skia/ext/refptr.h"
 #include "ui/ozone/ozone_base_export.h"
 
@@ -47,7 +48,7 @@ class OZONE_BASE_EXPORT SurfaceOzoneCanvas {
   // opening a file descriptor providing vsync events) that must be done
   // outside of the sandbox, they must have been completed in
   // InitializeHardware. Returns an empty scoped_ptr on error.
-  virtual scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider() = 0;
+  virtual std::unique_ptr<gfx::VSyncProvider> CreateVSyncProvider() = 0;
 };
 
 }  // namespace ui