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

extensions/browser/event_router_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 "extensions/browser/event_router.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 
@@ skipping 75 matching lines @@
   return EventListener::ForURL(event_name, listener_url, process,
                                base::WrapUnique(filter));
 }
 
 // Creates an extension.  If |component| is true, it is created as a component
 // extension.  If |persistent| is true, it is created with a persistent
 // background page; otherwise it is created with an event page.
 scoped_refptr<Extension> CreateExtension(bool component, bool persistent) {
   ExtensionBuilder builder;
   std::unique_ptr<base::DictionaryValue> manifest =
-      base::WrapUnique(new base::DictionaryValue());
+      base::MakeUnique<base::DictionaryValue>();
   manifest->SetString("name", "foo");
   manifest->SetString("version", "1.0.0");
   manifest->SetInteger("manifest_version", 2);
   manifest->SetString("background.page", "background.html");
   manifest->SetBoolean("background.persistent", persistent);
   builder.SetManifest(std::move(manifest));
   if (component)
     builder.SetLocation(Manifest::Location::COMPONENT);
 
   return builder.Build();
@@ skipping 162 matching lines @@
   scoped_refptr<Extension> component_event = CreateExtension(true, false);
   router.ReportEvent(events::HistogramValue::FOR_TEST, component_event.get(),
                      false /** did_enqueue */);
   ExpectHistogramCounts(6, 2, 2, 1, 0, 2);
   router.ReportEvent(events::HistogramValue::FOR_TEST, component_event.get(),
                      true /** did_enqueue */);
   ExpectHistogramCounts(7, 3, 2, 2, 1, 2);
 }
 
 }  // namespace extensions