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

chrome/browser/ui/search/instant_search_prerenderer.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 CHROME_BROWSER_UI_SEARCH_INSTANT_SEARCH_PRERENDERER_H_
 #define CHROME_BROWSER_UI_SEARCH_INSTANT_SEARCH_PRERENDERER_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "chrome/common/instant_types.h"
 #include "content/public/browser/navigation_controller.h"
 
 class GURL;
 class Profile;
 struct AutocompleteMatch;
 
 namespace chrome {
 struct NavigateParams;
@@ skipping 70 matching lines @@
 
   // Returns true if the |query| matches the last prefetched search query or if
   // the 'reuse_instant_search_base_page' flag is enabled in the field trials.
   bool QueryMatchesPrefetch(const base::string16& query) const;
 
   Profile* const profile_;
 
   // Instant search base page URL.
   const GURL prerender_url_;
 
-  scoped_ptr<prerender::PrerenderHandle> prerender_handle_;
+  std::unique_ptr<prerender::PrerenderHandle> prerender_handle_;
 
   InstantSuggestion last_instant_suggestion_;
 
   DISALLOW_COPY_AND_ASSIGN(InstantSearchPrerenderer);
 };
 
 #endif  // CHROME_BROWSER_UI_SEARCH_INSTANT_SEARCH_PRERENDERER_H_