Revert 154861 - Run safebrowsing_service_test through the net testserver code.

net/test/base_test_server.h

Index: net/test/base_test_server.h
===================================================================
--- net/test/base_test_server.h	(revision 154874)
+++ net/test/base_test_server.h	(working copy)
@@ -206,14 +206,8 @@
 
   // Generates a DictionaryValue with the arguments for launching the external
   // Python test server.
-  bool GenerateArguments(base::DictionaryValue* arguments) const
-    WARN_UNUSED_RESULT;
+  bool GenerateArguments(base::DictionaryValue* arguments) const;
 
-  // Subclasses can override this to add arguments that are specific to their
-  // own test servers.
-  virtual bool GenerateAdditionalArguments(
-      base::DictionaryValue* arguments) const WARN_UNUSED_RESULT;
-
  private:
   void Init(const std::string& host);