Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/extensions/extension_enable_flow.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_EXTENSIONS_EXTENSION_ENABLE_FLOW_H_
 #define CHROME_BROWSER_UI_EXTENSIONS_EXTENSION_ENABLE_FLOW_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 88 matching lines @@
   content::WebContents* parent_contents_;
 
   // Parent native window for ExtensionInstallPrompt. Note this is mutually
   // exclusive with |parent_contents_| above.
   gfx::NativeWindow parent_window_;
 
   // Called to acquire a parent window for the prompt. This is used for clients
   // who only want to create a window if it is required.
   base::Callback<gfx::NativeWindow(void)> window_getter_;
 
-  scoped_ptr<ExtensionInstallPrompt> prompt_;
+  std::unique_ptr<ExtensionInstallPrompt> prompt_;
   content::NotificationRegistrar registrar_;
 
   // Listen to extension load notification.
   ScopedObserver<extensions::ExtensionRegistry,
                  extensions::ExtensionRegistryObserver>
       extension_registry_observer_;
 
   base::WeakPtrFactory<ExtensionEnableFlow> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionEnableFlow);
 };
 
 #endif  // CHROME_BROWSER_UI_EXTENSIONS_EXTENSION_ENABLE_FLOW_H_