FocusManagerFactory::Create() should return a unique_ptr.

ui/views/focus/focus_manager_factory.h

 // Copyright (c) 2011 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 UI_VIEWS_FOCUS_FOCUS_MANAGER_FACTORY_H_
 #define UI_VIEWS_FOCUS_FOCUS_MANAGER_FACTORY_H_
 
+#include <memory>
+
 #include "base/macros.h"
 #include "ui/views/views_export.h"
 
 namespace views {
 
 class FocusManager;
 class Widget;
 
 // A factory to create FocusManager. This is used in unit tests
 // to inject a custom factory.
 class VIEWS_EXPORT FocusManagerFactory {
  public:
-  // Create a FocusManager for the given |widget| using installe Factory.
-  static FocusManager* Create(Widget* widget, bool desktop_widget);
+  // Create a FocusManager for the given |widget| using the installed Factory.
+  static std::unique_ptr<FocusManager> Create(Widget* widget,
+                                              bool desktop_widget);
 
   // Installs FocusManagerFactory. If |factory| is NULL, it resets
   // to the default factory which creates plain FocusManager.
   static void Install(FocusManagerFactory* factory);
 
  protected:
   FocusManagerFactory();
   virtual ~FocusManagerFactory();
 
   // Create a FocusManager for the given |widget|.
   // The |desktop_widget| bool is true for widgets created in the desktop and
   // false for widgets created in the shell.
-  virtual FocusManager* CreateFocusManager(Widget* widget,
-                                           bool desktop_widget) = 0;
+  virtual std::unique_ptr<FocusManager> CreateFocusManager(
+      Widget* widget,
+      bool desktop_widget) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FocusManagerFactory);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_FOCUS_FOCUS_MANAGER_FACTORY_H_