AtomicUpdateUsageByDelta   50 webkit/browser/fileapi/file_system_usage_cache.h   bool AtomicUpdateUsageByDelta(const base::FilePath& usage_file_path,
AtomicUpdateUsageByDelta   76 webkit/browser/fileapi/quota/quota_backend_impl.cc   bool result = file_system_usage_cache_->AtomicUpdateUsageByDelta(path, delta);
AtomicUpdateUsageByDelta  136 webkit/browser/fileapi/sandbox_quota_observer.cc     file_system_usage_cache_->AtomicUpdateUsageByDelta(usage_file_path, delta);