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

chrome/browser/chromeos/accessibility/spoken_feedback_event_rewriter.cc

 // 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.
 
 #include "chrome/browser/chromeos/accessibility/spoken_feedback_event_rewriter.h"
 
 #include <string>
 #include <utility>
 
 #include "ash/shell.h"
@@ skipping 97 matching lines @@
 }
 
 SpokenFeedbackEventRewriter::SpokenFeedbackEventRewriter() {
   delegate_.reset(new SpokenFeedbackEventRewriterDelegate());
 }
 
 SpokenFeedbackEventRewriter::~SpokenFeedbackEventRewriter() {
 }
 
 void SpokenFeedbackEventRewriter::SetDelegateForTest(
-    scoped_ptr<SpokenFeedbackEventRewriterDelegate> delegate) {
+    std::unique_ptr<SpokenFeedbackEventRewriterDelegate> delegate) {
   delegate_ = std::move(delegate);
 }
 
 ui::EventRewriteStatus SpokenFeedbackEventRewriter::RewriteEvent(
     const ui::Event& event,
-    scoped_ptr<ui::Event>* new_event) {
+    std::unique_ptr<ui::Event>* new_event) {
   if (!delegate_->IsSpokenFeedbackEnabled())
     return ui::EVENT_REWRITE_CONTINUE;
 
   if ((event.type() != ui::ET_KEY_PRESSED &&
        event.type() != ui::ET_KEY_RELEASED))
     return ui::EVENT_REWRITE_CONTINUE;
 
   std::string extension_id =
       chromeos::AccessibilityManager::Get()->keyboard_listener_extension_id();
   if (extension_id.empty())
     return ui::EVENT_REWRITE_CONTINUE;
 
   bool capture =
       chromeos::AccessibilityManager::Get()->keyboard_listener_capture();
   const ui::KeyEvent key_event = static_cast<const ui::KeyEvent&>(event);
   if (delegate_->DispatchKeyEventToChromeVox(key_event, capture))
     return ui::EVENT_REWRITE_DISCARD;
   return ui::EVENT_REWRITE_CONTINUE;
 }
 
 ui::EventRewriteStatus SpokenFeedbackEventRewriter::NextDispatchEvent(
     const ui::Event& last_event,
-    scoped_ptr<ui::Event>* new_event) {
+    std::unique_ptr<ui::Event>* new_event) {
   return ui::EVENT_REWRITE_CONTINUE;
 }