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

chrome/browser/ui/webui/options/language_dictionary_interactive_uitest.cc

 // 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.
 
 #include "base/macros.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/chrome_pages.h"
@@ skipping 158 matching lines @@
             "});",
         list_selector.c_str(),
         index);
 
     EXPECT_TRUE(content::ExecuteScript(
         GetActiveFrame(),
         script));
   }
 
  private:
-  scoped_ptr<content::DOMMessageQueue> dom_message_queue_;
+  std::unique_ptr<content::DOMMessageQueue> dom_message_queue_;
 
   DISALLOW_COPY_AND_ASSIGN(LanguageDictionaryWebUITest);
 };
 
 }  // namespace
 
 // Test InlineEditableItemList keyboard focus behavior in editDictionary
 // overlay.
 // editDictionary overlay doesn't exist on OSX so disable it there.
 #if !defined(OS_MACOSX)
@@ skipping 51 matching lines @@
   EXPECT_TRUE(ListItemSelected(list_selector, placeholder_index - 1));
 
   // Press shift+tab to go back to the list.
   PressKey(ui::VKEY_TAB, true);
 
   // Verify that the item above the placeholder is selected and has focus.
   EXPECT_TRUE(ListItemSelectedAndFocused(list_selector,
                                          placeholder_index - 1));
 }
 #endif  // !defined(OS_MACOSX)