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

chrome/browser/chromeos/accessibility/spoken_feedback_event_rewriter.h

Index: chrome/browser/chromeos/accessibility/spoken_feedback_event_rewriter.h
diff --git a/chrome/browser/chromeos/accessibility/spoken_feedback_event_rewriter.h b/chrome/browser/chromeos/accessibility/spoken_feedback_event_rewriter.h
index 126b19c7b0d0e18a12c9179909d13fa2ec856444..1b2a4e0444472fa46884405ea75e8b99ed02f1d3 100644
--- a/chrome/browser/chromeos/accessibility/spoken_feedback_event_rewriter.h
+++ b/chrome/browser/chromeos/accessibility/spoken_feedback_event_rewriter.h
@@ -48,19 +48,19 @@ class SpokenFeedbackEventRewriter : public ui::EventRewriter {
   ~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);
 };