Replace scoped_ptr with std::unique_ptr in //ui

ui/gfx/render_text.h

Index: ui/gfx/render_text.h
diff --git a/ui/gfx/render_text.h b/ui/gfx/render_text.h
index 5913f4dcb68cb40b63885d37f6b788aaef8f8069..6b0c489cf502a8ac6e8cea80dd83b320f8baeb66 100644
--- a/ui/gfx/render_text.h
+++ b/ui/gfx/render_text.h
@@ -10,6 +10,7 @@
 
 #include <algorithm>
 #include <cstring>
+#include <memory>
 #include <string>
 #include <utility>
 #include <vector>
@@ -17,7 +18,6 @@
 #include "base/gtest_prod_util.h"
 #include "base/i18n/rtl.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkColor.h"
@@ -113,7 +113,7 @@ class GFX_EXPORT SkiaTextRenderer {
   SkPaint paint_;
   SkScalar underline_thickness_;
   SkScalar underline_position_;
-  scoped_ptr<DiagonalStrike> diagonal_;
+  std::unique_ptr<DiagonalStrike> diagonal_;
 
   DISALLOW_COPY_AND_ASSIGN(SkiaTextRenderer);
 };
@@ -210,7 +210,7 @@ class GFX_EXPORT RenderText {
   static RenderText* CreateInstanceForEditing();
 
   // Creates another instance of the same concrete class.
-  virtual scoped_ptr<RenderText> CreateInstanceOfSameType() const = 0;
+  virtual std::unique_ptr<RenderText> CreateInstanceOfSameType() const = 0;
 
   const base::string16& text() const { return text_; }
   void SetText(const base::string16& text);