Replace scoped_ptr with std::unique_ptr in //ui

ui/base/ime/linux/fake_input_method_context_factory.h

 // Copyright 2013 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_BASE_IME_LINUX_FAKE_INPUT_METHOD_CONTEXT_FACTORY_H_
 #define UI_BASE_IME_LINUX_FAKE_INPUT_METHOD_CONTEXT_FACTORY_H_
 
 #include "base/macros.h"
 #include "ui/base/ime/linux/linux_input_method_context_factory.h"
 
 namespace ui {
 
 // An implementation of LinuxInputMethodContextFactory, which creates and
 // returns FakeInputMethodContext's.
 class FakeInputMethodContextFactory : public LinuxInputMethodContextFactory {
  public:
   FakeInputMethodContextFactory();
 
   // LinuxInputMethodContextFactory:
-  scoped_ptr<LinuxInputMethodContext> CreateInputMethodContext(
+  std::unique_ptr<LinuxInputMethodContext> CreateInputMethodContext(
       LinuxInputMethodContextDelegate* delegate,
       bool is_simple) const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakeInputMethodContextFactory);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_LINUX_FAKE_INPUT_METHOD_CONTEXT_FACTORY_H_