Replace scoped_ptr with std::unique_ptr in //ui

chrome/browser/task_management/providers/web_contents/extension_task.h

 // 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.
 
 #ifndef CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_WEB_CONTENTS_EXTENSION_TASK_H_
 #define CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_WEB_CONTENTS_EXTENSION_TASK_H_
 
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/task_management/providers/web_contents/renderer_task.h"
 #include "extensions/browser/extension_icon_image.h"
 #include "extensions/common/view_type.h"
 
 namespace extensions {
 class Extension;
 }  // namespace extensions
 
 namespace task_management {
 
@@ skipping 29 matching lines @@
 
   // The favicon of the extension represented by this task.
   scoped_ptr<extensions::IconImage> extension_icon_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionTask);
 };
 
 }  // namespace task_management
 
 #endif  // CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_WEB_CONTENTS_EXTENSION_TASK_H_