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

chrome/browser/ui/ash/chrome_keyboard_ui.h

 // Copyright (c) 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 CHROME_BROWSER_UI_ASH_CHROME_KEYBOARD_UI_H_
 #define CHROME_BROWSER_UI_ASH_CHROME_KEYBOARD_UI_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "ui/keyboard/content/keyboard_ui_content.h"
 
 namespace content {
 class BrowserContext;
 class WebContents;
 }
 namespace extensions {
 class ExtensionFunctionDispatcher;
 class WindowController;
@@ skipping 36 matching lines @@
   // provide the input type information. Naturally, when the virtual keyboard
   // extension is used as an IME then chrome.input.ime.onFocus provides the
   // information, but not when the virtual keyboard is used in conjunction with
   // another IME. virtualKeyboardPrivate.onTextInputBoxFocused is the remedy in
   // that case.
   void SetUpdateInputType(ui::TextInputType type) override;
 
   // content::WebContentsObserver overrides
   void RenderViewCreated(content::RenderViewHost* render_view_host) override;
 
-  scoped_ptr<keyboard::KeyboardControllerObserver> observer_;
+  std::unique_ptr<keyboard::KeyboardControllerObserver> observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeKeyboardUI);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_CHROME_KEYBOARD_UI_H_