Define a LoggingSettings struct to use for InitLogging()

sync/tools/testserver/run_sync_testserver.cc

Index: sync/tools/testserver/run_sync_testserver.cc
diff --git a/sync/tools/testserver/run_sync_testserver.cc b/sync/tools/testserver/run_sync_testserver.cc
index 589333b94091034d2117ff340fd326a86e3c6711..c9cb29792c4a57b3398b6954c6d55bdf4a951315 100644
--- a/sync/tools/testserver/run_sync_testserver.cc
+++ b/sync/tools/testserver/run_sync_testserver.cc
@@ -76,12 +76,10 @@ int main(int argc, const char* argv[]) {
   CommandLine::Init(argc, argv);
   CommandLine* command_line = CommandLine::ForCurrentProcess();
 
-  if (!logging::InitLogging(
-          FILE_PATH_LITERAL("sync_testserver.log"),
-          logging::LOG_TO_BOTH_FILE_AND_SYSTEM_DEBUG_LOG,
-          logging::LOCK_LOG_FILE,
-          logging::APPEND_TO_OLD_LOG_FILE,
-          logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS)) {
+  logging::LoggingSettings settings;
+  settings.logging_dest = logging::LOG_TO_ALL;
+  settings.log_file = FILE_PATH_LITERAL("sync_testserver.log");
+  if (!logging::InitLogging(settings)) {
     printf("Error: could not initialize logging. Exiting.\n");
     return -1;
   }