Replace scoped_ptr with std::unique_ptr in //ui

ui/views/controls/image_view.h

Index: ui/views/controls/image_view.h
diff --git a/ui/views/controls/image_view.h b/ui/views/controls/image_view.h
index b3b762bcd432cf81435916397445636d8b738b94..eb3f727ead75ad8aeb9d19bd75846706057ead86 100644
--- a/ui/views/controls/image_view.h
+++ b/ui/views/controls/image_view.h
@@ -77,7 +77,7 @@ class VIEWS_EXPORT ImageView : public View {
 
   void set_interactive(bool interactive) { interactive_ = interactive; }
 
-  void SetFocusPainter(scoped_ptr<Painter> focus_painter);
+  void SetFocusPainter(std::unique_ptr<Painter> focus_painter);
 
   // Overriden from View:
   gfx::Size GetPreferredSize() const override;
@@ -133,7 +133,7 @@ class VIEWS_EXPORT ImageView : public View {
   // safe to cache.
   void* last_painted_bitmap_pixels_;
 
-  scoped_ptr<views::Painter> focus_painter_;
+  std::unique_ptr<views::Painter> focus_painter_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageView);
 };