Replace scoped_ptr with std::unique_ptr in //ui

ui/platform_window/platform_window.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_PLATFORM_WINDOW_PLATFORM_WINDOW_H_
 #define UI_PLATFORM_WINDOW_PLATFORM_WINDOW_H_
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
 #include "base/strings/string16.h"
 #include "ui/base/cursor/cursor.h"
 
 namespace gfx {
 class Rect;
 }
 
 namespace ui {
 
 class PlatformImeController;
@@ skipping 36 matching lines @@
   virtual void ConfineCursorToBounds(const gfx::Rect& bounds) = 0;
 
   // The PlatformImeController is owned by the PlatformWindow, the ownership is
   // not transferred.
   virtual PlatformImeController* GetPlatformImeController() = 0;
 };
 
 }  // namespace ui
 
 #endif  // UI_PLATFORM_WINDOW_PLATFORM_WINDOW_H_