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

chrome/browser/chromeos/policy/extension_cache_unittest.cc

 // Copyright (c) 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 <stddef.h>
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
@@ skipping 68 matching lines @@
       CreateExtensionFile(cache_path, kTestExtensionId1, "1.0", kExtensionSize1,
                           now - base::TimeDelta::FromSeconds(1));
   const base::FilePath file2 =
       CreateExtensionFile(cache_path, kTestExtensionId2, "2.0", kExtensionSize2,
                           now - base::TimeDelta::FromSeconds(2));
   const base::FilePath file3 =
       CreateExtensionFile(cache_path, kTestExtensionId3, "3.0", kExtensionSize3,
                           now - base::TimeDelta::FromSeconds(3));
 
   ExtensionCacheImpl cache_impl(
-      base::WrapUnique(new ChromeOSExtensionCacheDelegate(cache_path)));
+      base::MakeUnique<ChromeOSExtensionCacheDelegate>(cache_path));
 
   std::unique_ptr<base::RunLoop> run_loop(new base::RunLoop);
   cache_impl.Start(run_loop->QuitClosure());
   run_loop->Run();
 
   run_loop.reset(new base::RunLoop);
   cache_impl.Shutdown(run_loop->QuitClosure());
   run_loop->Run();
 
   EXPECT_TRUE(base::PathExists(file1));
   EXPECT_TRUE(base::PathExists(file2));
   EXPECT_FALSE(base::PathExists(file3));
 }
 
 }  // namespace extensions