Define a LoggingSettings struct to use for InitLogging()

net/disk_cache/stress_cache.cc

Index: net/disk_cache/stress_cache.cc
diff --git a/net/disk_cache/stress_cache.cc b/net/disk_cache/stress_cache.cc
index 65eb01abc1810962d76ba5ab92ea638b7cdb80e1..0da984509f60ac2ce9513e0116d3f9828448d9f8 100644
--- a/net/disk_cache/stress_cache.cc
+++ b/net/disk_cache/stress_cache.cc
@@ -270,9 +270,9 @@ int main(int argc, const char* argv[]) {
   logging::LogEventProvider::Initialize(kStressCacheTraceProviderName);
 #else
   CommandLine::Init(argc, argv);
-  logging::InitLogging(NULL, logging::LOG_ONLY_TO_SYSTEM_DEBUG_LOG,
-                       logging::LOCK_LOG_FILE, logging::DELETE_OLD_LOG_FILE,
-                       logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS);
+  logging::LoggingSettings settings;
+  settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
+  logging::InitLogging(settings);
 #endif
 
   // Some time for the memory manager to flush stuff.