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

extensions/browser/api/idle/idle_api_unittest.cc

 // Copyright (c) 2012 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/api/idle/idle_api.h"
 
 #include <limits.h>
 
 #include <memory>
 #include <string>
@@ skipping 98 matching lines @@
 }
 
 ScopedListen::~ScopedListen() {
   const EventListenerInfo details(idle::OnStateChanged::kEventName,
                                   extension_id_, GURL(), NULL);
   idle_manager_->OnListenerRemoved(details);
 }
 
 std::unique_ptr<KeyedService> IdleManagerTestFactory(
     content::BrowserContext* context) {
-  return base::WrapUnique(new IdleManager(context));
+  return base::MakeUnique<IdleManager>(context);
 }
 
 }  // namespace
 
 class IdleTest : public ApiUnitTest {
  public:
   void SetUp() override;
 
  protected:
   IdleManager* idle_manager_;
@@ skipping 419 matching lines @@
 
   {
     // Nothing should have fired, the listener wasn't added until afterward.
     ScopedListen listen(idle_manager_, "test");
     idle_manager_->UpdateIdleState();
     testing::Mock::VerifyAndClearExpectations(event_delegate_);
   }
 }
 
 }  // namespace extensions