Replace scoped_ptr with std::unique_ptr in //ui

ui/app_list/search/tokenized_string_char_iterator.h

 // Copyright 2013 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_APP_LIST_SEARCH_TOKENIZED_STRING_CHAR_ITERATOR_H_
 #define UI_APP_LIST_SEARCH_TOKENIZED_STRING_CHAR_ITERATOR_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/app_list/app_list_export.h"
 #include "ui/app_list/search/tokenized_string.h"
 
 namespace base {
 namespace i18n {
 class UTF16CharIterator;
 }
 }
 
 namespace app_list {
@@ skipping 40 matching lines @@
   // Returns true if the iterator is at the end.
   bool end() const { return !current_token_iter_; }
 
  private:
   void CreateTokenCharIterator();
 
   const TokenizedString::Tokens& tokens_;
   const TokenizedString::Mappings& mappings_;
 
   size_t current_token_;
-  scoped_ptr<base::i18n::UTF16CharIterator> current_token_iter_;
+  std::unique_ptr<base::i18n::UTF16CharIterator> current_token_iter_;
 
   DISALLOW_COPY_AND_ASSIGN(TokenizedStringCharIterator);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_SEARCH_TOKENIZED_STRING_CHAR_ITERATOR_H_