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

ios/chrome/browser/invalidation/ios_chrome_profile_invalidation_provider_factory.mm

 // Copyright 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 "ios/chrome/browser/invalidation/ios_chrome_profile_invalidation_provider_factory.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/callback.h"
@@ skipping 55 matching lines @@
 
   std::unique_ptr<IdentityProvider> identity_provider(
       new ProfileIdentityProvider(
           ios::SigninManagerFactory::GetForBrowserState(browser_state),
           OAuth2TokenServiceFactory::GetForBrowserState(browser_state),
           // LoginUIServiceFactory is not built on iOS.
           base::Closure()));
 
   std::unique_ptr<TiclInvalidationService> service(new TiclInvalidationService(
       web::GetWebClient()->GetUserAgent(false), std::move(identity_provider),
-      base::WrapUnique(new invalidation::TiclProfileSettingsProvider(
-          browser_state->GetPrefs())),
+      base::MakeUnique<invalidation::TiclProfileSettingsProvider>(
+          browser_state->GetPrefs()),
       IOSChromeGCMProfileServiceFactory::GetForBrowserState(browser_state)
           ->driver(),
       browser_state->GetRequestContext()));
   service->Init(
-      base::WrapUnique(new InvalidatorStorage(browser_state->GetPrefs())));
+      base::MakeUnique<InvalidatorStorage>(browser_state->GetPrefs()));
 
-  return base::WrapUnique(new ProfileInvalidationProvider(std::move(service)));
+  return base::MakeUnique<ProfileInvalidationProvider>(std::move(service));
 }
 
 void IOSChromeProfileInvalidationProviderFactory::RegisterBrowserStatePrefs(
     user_prefs::PrefRegistrySyncable* registry) {
   ProfileInvalidationProvider::RegisterProfilePrefs(registry);
   InvalidatorStorage::RegisterProfilePrefs(registry);
 }