Replace scoped_ptr with std::unique_ptr in //ui

ui/android/edge_effect.h

Index: ui/android/edge_effect.h
diff --git a/ui/android/edge_effect.h b/ui/android/edge_effect.h
index de1bb15836f80fafcd406fee9a28e8fd171cec94..67dd6f37253d49541b57cf81156c38616eebe41d 100644
--- a/ui/android/edge_effect.h
+++ b/ui/android/edge_effect.h
@@ -5,8 +5,9 @@
 #ifndef UI_ANDROID_EDGE_EFFECT_H_
 #define UI_ANDROID_EDGE_EFFECT_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/android/edge_effect_base.h"
 #include "ui/android/ui_android_export.h"
 
@@ -51,8 +52,8 @@ class UI_ANDROID_EXPORT EdgeEffect : public EdgeEffectBase {
 
  private:
   class EffectLayer;
-  scoped_ptr<EffectLayer> edge_;
-  scoped_ptr<EffectLayer> glow_;
+  std::unique_ptr<EffectLayer> edge_;
+  std::unique_ptr<EffectLayer> glow_;
 
   float base_edge_height_;
   float base_glow_height_;