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

chrome/browser/extensions/webstore_standalone_installer.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 "chrome/browser/extensions/webstore_standalone_installer.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "base/values.h"
@@ skipping 147 matching lines @@
     ActiveInstallData* install_data) const {
   // Default implementation sets no properties.
 }
 
 void WebstoreStandaloneInstaller::OnManifestParsed() {
   ProceedWithInstallPrompt();
 }
 
 std::unique_ptr<ExtensionInstallPrompt>
 WebstoreStandaloneInstaller::CreateInstallUI() {
-  return base::WrapUnique(new ExtensionInstallPrompt(GetWebContents()));
+  return base::MakeUnique<ExtensionInstallPrompt>(GetWebContents());
 }
 
 std::unique_ptr<WebstoreInstaller::Approval>
 WebstoreStandaloneInstaller::CreateApproval() const {
   std::unique_ptr<WebstoreInstaller::Approval> approval(
       WebstoreInstaller::Approval::CreateWithNoInstallPrompt(
           profile_, id_,
           std::unique_ptr<base::DictionaryValue>(manifest_->DeepCopy()), true));
   approval->skip_post_install_ui = !ShouldShowPostInstallUI();
   approval->use_app_installed_bubble = ShouldShowAppInstalledBubble();
@@ skipping 231 matching lines @@
 void WebstoreStandaloneInstaller::OnWebStoreDataFetcherDone() {
   // An instance of this class is passed in as a delegate for the
   // WebstoreInstallHelper, ExtensionInstallPrompt and WebstoreInstaller, and
   // therefore needs to remain alive until they are done. Clear the webstore
   // data fetcher to avoid calling Release in AbortInstall while any of these
   // operations are in progress.
   webstore_data_fetcher_.reset();
 }
 
 }  // namespace extensions