Migrate auto_tests about proxy configuration to browser_tests.

chrome/browser/automation/testing_automation_provider.h

Index: chrome/browser/automation/testing_automation_provider.h
diff --git a/chrome/browser/automation/testing_automation_provider.h b/chrome/browser/automation/testing_automation_provider.h
index 28ecce3e48a7a107146debb3fcde446be04071b4..7ba1660844590d4d6c4c8ee364d90a2225ace2c8 100644
--- a/chrome/browser/automation/testing_automation_provider.h
+++ b/chrome/browser/automation/testing_automation_provider.h
@@ -1346,18 +1346,12 @@ class TestingAutomationProvider : public AutomationProvider,
   void ToggleNetworkDevice(base::DictionaryValue* args,
                            IPC::Message* reply_message);
 
-  void GetProxySettings(base::DictionaryValue* args,
-                        IPC::Message* reply_message);
-
   void SetProxySettings(base::DictionaryValue* args,
                         IPC::Message* reply_message);
 
   void SetSharedProxies(base::DictionaryValue* args,
                         IPC::Message* reply_message);
 
-  void RefreshInternetDetails(base::DictionaryValue* args,
-                              IPC::Message* reply_message);
-
   void ConnectToCellularNetwork(base::DictionaryValue* args,
                             IPC::Message* reply_message);