Re-write many calls to WrapUnique() with MakeUnique()

ui/app_list/search/mixer_unittest.cc

 // 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.
 
 #include "ui/app_list/search/mixer.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <string>
@@ skipping 28 matching lines @@
     set_relevance(relevance);
   }
   ~TestSearchResult() override {}
 
   using SearchResult::set_voice_result;
 
   // SearchResult overrides:
   void Open(int event_flags) override {}
   void InvokeAction(int action_index, int event_flags) override {}
   std::unique_ptr<SearchResult> Duplicate() const override {
-    return base::WrapUnique(new TestSearchResult(id(), relevance()));
+    return base::MakeUnique<TestSearchResult>(id(), relevance());
   }
 
   // For reference equality testing. (Addresses cannot be used to test reference
   // equality because it is possible that an object will be allocated at the
   // same address as a previously deleted one.)
   static int GetInstanceId(SearchResult* result) {
     return static_cast<const TestSearchResult*>(result)->instance_id_;
   }
 
  private:
@@ skipping 343 matching lines @@
   EXPECT_EQ(old_ui_result_ids[0],
             TestSearchResult::GetInstanceId(ui_results.GetItemAt(3)));
   EXPECT_EQ(old_ui_result_ids[1],
             TestSearchResult::GetInstanceId(ui_results.GetItemAt(0)));
   EXPECT_EQ(old_ui_result_ids[2],
             TestSearchResult::GetInstanceId(ui_results.GetItemAt(2)));
 }
 
 }  // namespace test
 }  // namespace app_list