Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/accessibility/spoken_feedback_event_rewriter.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 CHROME_BROWSER_CHROMEOS_ACCESSIBILITY_SPOKEN_FEEDBACK_EVENT_REWRITER_H_
 #define CHROME_BROWSER_CHROMEOS_ACCESSIBILITY_SPOKEN_FEEDBACK_EVENT_REWRITER_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 30 matching lines @@
 // SpokenFeedbackEventRewriter discards all keyboard events mapped by the spoken
 // feedback manifest commands block. It dispatches the associated command name
 // directly to spoken feedback. This only occurs whenever spoken feedback is
 // enabled.
 class SpokenFeedbackEventRewriter : public ui::EventRewriter {
  public:
   SpokenFeedbackEventRewriter();
   ~SpokenFeedbackEventRewriter() override;
 
   void SetDelegateForTest(
-      scoped_ptr<SpokenFeedbackEventRewriterDelegate> delegate);
+      std::unique_ptr<SpokenFeedbackEventRewriterDelegate> delegate);
 
  private:
   // EventRewriter:
   ui::EventRewriteStatus RewriteEvent(
       const ui::Event& event,
-      scoped_ptr<ui::Event>* new_event) override;
+      std::unique_ptr<ui::Event>* new_event) override;
   ui::EventRewriteStatus NextDispatchEvent(
       const ui::Event& last_event,
-      scoped_ptr<ui::Event>* new_event) override;
+      std::unique_ptr<ui::Event>* new_event) override;
 
   // Active delegate (used for testing).
-  scoped_ptr<SpokenFeedbackEventRewriterDelegate> delegate_;
+  std::unique_ptr<SpokenFeedbackEventRewriterDelegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(SpokenFeedbackEventRewriter);
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_ACCESSIBILITY_SPOKEN_FEEDBACK_EVENT_REWRITER_H_