Replace scoped_ptr with std::unique_ptr in //ui

ui/gfx/image/image.h

Index: ui/gfx/image/image.h
diff --git a/ui/gfx/image/image.h b/ui/gfx/image/image.h
index fa7ed1f2695baac29e55a5aaa54535e1749563d9..bf0d9b455fcd6d00c623b41b5d9875dee867ef5d 100644
--- a/ui/gfx/image/image.h
+++ b/ui/gfx/image/image.h
@@ -22,10 +22,10 @@
 #include <stddef.h>
 
 #include <map>
+#include <memory>
 #include <vector>
 
 #include "base/memory/ref_counted_memory.h"
-#include "base/memory/scoped_ptr.h"
 #include "build/build_config.h"
 #include "ui/gfx/gfx_export.h"
 #include "ui/gfx/native_widget_types.h"
@@ -56,7 +56,7 @@ class GFX_EXPORT Image {
   };
 
   using RepresentationMap =
-      std::map<RepresentationType, scoped_ptr<internal::ImageRep>>;
+      std::map<RepresentationType, std::unique_ptr<internal::ImageRep>>;
 
   // Creates an empty image with no representations.
   Image();
@@ -187,7 +187,7 @@ class GFX_EXPORT Image {
   // not already be in the map. Returns a pointer to the representation stored
   // inside the map.
   internal::ImageRep* AddRepresentation(
-      scoped_ptr<internal::ImageRep> rep) const;
+      std::unique_ptr<internal::ImageRep> rep) const;
 
   // Internal class that holds all the representations. This allows the Image to
   // be cheaply copied.