我最近将Nexus 4升级到Android 4.4.在调试我的应用程序时,我发现了消息W/chromium(14962): [WARNING:proxy_service.cc(888)] PAC support disabled because there is no system implementation
这是什么意思 ？
logcat的
12-12 17:38:56.726: V/WebViewChromium(14962): Binding Chromium to the main looper Looper{41f91588}
12-12 17:38:56.736: I/chromium(14962): [INFO:library_loader_hooks.cc(112)] Chromium logging enabled: level = 0, default verbosity = 0
12-12 17:38:56.736: I/BrowserProcessMain(14962): Initializing chromium process, renderers=0
12-12 17:38:56.746: W/chromium(14962): [WARNING:proxy_service.cc(888)] PAC support disabled because there is no system implementation