GetCachedHostUsage  347 webkit/browser/quota/usage_tracker.cc     callback.Run(GetCachedHostUsage(host));
GetCachedHostUsage  393 webkit/browser/quota/usage_tracker.cc     (*host_usage)[host] += GetCachedHostUsage(host);
GetCachedHostUsage  167 webkit/browser/quota/usage_tracker.h   int64 GetCachedHostUsage(const std::string& host) const;