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

chrome/browser/extensions/navigation_observer.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/navigation_observer.h"
 
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/navigation_controller.h"
@@ skipping 69 matching lines @@
 
     extension_install_prompt_.reset(
         new ExtensionInstallPrompt(nav_controller->GetWebContents()));
     ExtensionInstallPrompt::PromptType type =
         ExtensionInstallPrompt::GetReEnablePromptTypeForExtension(profile_,
                                                                   extension);
     extension_install_prompt_->ShowDialog(
         base::Bind(&NavigationObserver::OnInstallPromptDone,
                    weak_factory_.GetWeakPtr()),
         extension, nullptr,
-        base::WrapUnique(new ExtensionInstallPrompt::Prompt(type)),
+        base::MakeUnique<ExtensionInstallPrompt::Prompt>(type),
         ExtensionInstallPrompt::GetDefaultShowDialogCallback());
   }
 }
 
 void NavigationObserver::OnInstallPromptDone(
     ExtensionInstallPrompt::Result result) {
   // The extension was already uninstalled.
   if (in_progress_prompt_extension_id_.empty())
     return;
 
@@ skipping 33 matching lines @@
       in_progress_prompt_extension_id_ != extension->id()) {
     return;
   }
 
   in_progress_prompt_extension_id_ = std::string();
   in_progress_prompt_navigation_controller_ = nullptr;
   extension_install_prompt_.reset();
 }
 
 }  // namespace extensions