Replace scoped_ptr with std::unique_ptr in //ui

ui/message_center/views/notification_progress_bar.h

 // Copyright 2015 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_MESSAGE_CENTER_VIEWS_NOTIFICATION_PROGRESS_BAR_H_
 #define UI_MESSAGE_CENTER_VIEWS_NOTIFICATION_PROGRESS_BAR_H_
 
 #include "base/macros.h"
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/animation/linear_animation.h"
@@ skipping 36 matching lines @@
   bool is_indeterminate() override;
 
  private:
   // Overriden from views::ProgressBar (originally from views::View)
   void OnPaint(gfx::Canvas* canvas) override;
 
   // Overriden from gfx::AnimationDelegate
   void AnimationProgressed(const gfx::Animation* animation) override;
   void AnimationEnded(const gfx::Animation* animation) override;
 
-  scoped_ptr<gfx::LinearAnimation> indeterminate_bar_animation_;
+  std::unique_ptr<gfx::LinearAnimation> indeterminate_bar_animation_;
 
   DISALLOW_COPY_AND_ASSIGN(NotificationIndeterminateProgressBar);
 };
 
 }  // namespace message_center
 
 #endif  // UI_MESSAGE_CENTER_VIEWS_NOTIFICATION_PROGRESS_BAR_H_