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

chrome/browser/chromeos/launcher_search_provider/error_reporter.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 "chrome/browser/chromeos/launcher_search_provider/error_reporter.h"
 
+#include "base/memory/ptr_util.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/common/console_message_level.h"
 
 namespace chromeos {
 namespace launcher_search_provider {
 
 ErrorReporter::ErrorReporter(content::RenderFrameHost* host) : host_(host) {
 }
 
 ErrorReporter::~ErrorReporter() {
 }
 
 void ErrorReporter::Warn(const std::string& message) {
   DCHECK(host_);
 
   host_->AddMessageToConsole(
       content::ConsoleMessageLevel::CONSOLE_MESSAGE_LEVEL_WARNING, message);
 }
 
-scoped_ptr<ErrorReporter> ErrorReporter::Duplicate() {
-  return make_scoped_ptr(new ErrorReporter(host_));
+std::unique_ptr<ErrorReporter> ErrorReporter::Duplicate() {
+  return base::WrapUnique(new ErrorReporter(host_));
 }
 
 }  // namespace launcher_search_provider
 }  // namespace chromeos