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

chrome/browser/ui/app_list/search/omnibox_result.h

Index: chrome/browser/ui/app_list/search/omnibox_result.h
diff --git a/chrome/browser/ui/app_list/search/omnibox_result.h b/chrome/browser/ui/app_list/search/omnibox_result.h
index 4459ddf5d1eb7740e12082f48f0928b1b1c1a0f2..849bec99c2ffc41311b8cc163574fd345b5637ed 100644
--- a/chrome/browser/ui/app_list/search/omnibox_result.h
+++ b/chrome/browser/ui/app_list/search/omnibox_result.h
@@ -5,8 +5,9 @@
 #ifndef CHROME_BROWSER_UI_APP_LIST_SEARCH_OMNIBOX_RESULT_H_
 #define CHROME_BROWSER_UI_APP_LIST_SEARCH_OMNIBOX_RESULT_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "components/omnibox/browser/autocomplete_match.h"
 #include "ui/app_list/search_result.h"
 
@@ -28,7 +29,7 @@ class OmniboxResult : public SearchResult {
   // SearchResult overrides:
   void Open(int event_flags) override;
 
-  scoped_ptr<SearchResult> Duplicate() const override;
+  std::unique_ptr<SearchResult> Duplicate() const override;
 
  private:
   void UpdateIcon();