Convert //chrome/installer from scoped_ptr to std::unique_ptr

chrome/browser/google/google_update_settings_posix.cc

 // 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.
 
 #include "chrome/installer/util/google_update_settings.h"
 
 #include "base/files/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/path_service.h"
 #include "base/strings/string_util.h"
@@ skipping 76 matching lines @@
   int size = client_id.size();
   bool write_success =
       base::WriteFile(consent_file, client_id.c_str(), size) == size;
   if (write_success)
     SetConsentFilePermissionIfNeeded(consent_file);
   return write_success;
 }
 
 // static
 // TODO(gab): Implement storing/loading for all ClientInfo fields on POSIX.
-scoped_ptr<metrics::ClientInfo> GoogleUpdateSettings::LoadMetricsClientInfo() {
-  scoped_ptr<metrics::ClientInfo> client_info(new metrics::ClientInfo);
+std::unique_ptr<metrics::ClientInfo>
+GoogleUpdateSettings::LoadMetricsClientInfo() {
+  std::unique_ptr<metrics::ClientInfo> client_info(new metrics::ClientInfo);
 
   base::AutoLock lock(g_posix_client_id_lock.Get());
   if (g_posix_client_id.Get().empty())
-    return scoped_ptr<metrics::ClientInfo>();
+    return nullptr;
   client_info->client_id = g_posix_client_id.Get();
 
   return client_info;
 }
 
 // static
 // TODO(gab): Implement storing/loading for all ClientInfo fields on POSIX.
 void GoogleUpdateSettings::StoreMetricsClientInfo(
     const metrics::ClientInfo& client_info) {
   // Make sure that user has consented to send crashes.
@@ skipping 14 matching lines @@
 
 // static
 int GoogleUpdateSettings::GetLastRunTime() {
   return -1;
 }
 
 // static
 bool GoogleUpdateSettings::SetLastRunTime() {
   return false;
 }