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

ios/chrome/browser/autocomplete/autocomplete_classifier_factory.cc

 // 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/autocomplete/autocomplete_classifier_factory.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/memory/singleton.h"
 #include "components/keyed_service/ios/browser_state_dependency_manager.h"
 #include "components/omnibox/browser/autocomplete_classifier.h"
 #include "components/omnibox/browser/autocomplete_controller.h"
 #include "ios/chrome/browser/autocomplete/autocomplete_provider_client_impl.h"
 #include "ios/chrome/browser/autocomplete/autocomplete_scheme_classifier_impl.h"
 #include "ios/chrome/browser/autocomplete/in_memory_url_index_factory.h"
 #include "ios/chrome/browser/autocomplete/shortcuts_backend_factory.h"
 #include "ios/chrome/browser/browser_state/browser_state_otr_helper.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/search_engines/template_url_service_factory.h"
 
 namespace ios {
 namespace {
 
 std::unique_ptr<KeyedService> BuildAutocompleteClassifier(
     web::BrowserState* context) {
   ios::ChromeBrowserState* browser_state =
       ios::ChromeBrowserState::FromBrowserState(context);
-  return base::WrapUnique(new AutocompleteClassifier(
+  return base::MakeUnique<AutocompleteClassifier>(
       base::WrapUnique(new AutocompleteController(
           base::WrapUnique(new AutocompleteProviderClientImpl(browser_state)),
           nullptr, AutocompleteClassifier::kDefaultOmniboxProviders)),
-      base::WrapUnique(new AutocompleteSchemeClassifierImpl)));
+      base::WrapUnique(new AutocompleteSchemeClassifierImpl));
 }
 
 }  // namespace
 
 // static
 AutocompleteClassifier* AutocompleteClassifierFactory::GetForBrowserState(
     ios::ChromeBrowserState* browser_state) {
   return static_cast<AutocompleteClassifier*>(
       GetInstance()->GetServiceForBrowserState(browser_state, true));
 }
@@ skipping 29 matching lines @@
 web::BrowserState* AutocompleteClassifierFactory::GetBrowserStateToUse(
     web::BrowserState* context) const {
   return GetBrowserStateRedirectedInIncognito(context);
 }
 
 bool AutocompleteClassifierFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }
 
 }  // namespace ios