Define a LoggingSettings struct to use for InitLogging()

tools/set_default_handler/set_default_handler_main.cc

Index: tools/set_default_handler/set_default_handler_main.cc
diff --git a/tools/set_default_handler/set_default_handler_main.cc b/tools/set_default_handler/set_default_handler_main.cc
index dad453615084dc1b21da22f0480657182c16c213..7f2d9da30876cfe579a4d5bfefa3883e66e3fa3b 100644
--- a/tools/set_default_handler/set_default_handler_main.cc
+++ b/tools/set_default_handler/set_default_handler_main.cc
@@ -31,10 +31,11 @@ int wmain(int argc, wchar_t* argv[]) {
   CommandLine::Init(0, NULL);
   // The exit manager is in charge of calling the dtors of singletons.
   base::AtExitManager exit_manager;
-  logging::InitLogging(NULL, logging::LOG_ONLY_TO_SYSTEM_DEBUG_LOG,
-                       logging::DONT_LOCK_LOG_FILE,
-                       logging::APPEND_TO_OLD_LOG_FILE,
-                       logging::ENABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS);
+  logging::LoggingSettings settings;
+  settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
+  settings.dcheck_state =
+      logging::ENABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS;
+  logging::InitLogging(settings);
   logging::SetMinLogLevel(logging::LOG_VERBOSE);
 
   ui::win::CreateATLModuleIfNeeded();