Made testserver communicate to parent process with JSON

net/test/test_server.h

Index: net/test/test_server.h
diff --git a/net/test/test_server.h b/net/test/test_server.h
index f81936546abc6f039822f8ee073b21c145f25939..5c1103811be89ed79b7ec22bb761eb6fa6c779d2 100644
--- a/net/test/test_server.h
+++ b/net/test/test_server.h
@@ -146,6 +146,10 @@ class TestServer {
   // Waits for the server to start. Returns true on success.
   bool WaitToStart() WARN_UNUSED_RESULT;
 
+  // Parses the server data read from the test server.  Returns true
+  // on success.
+  bool ParseServerData(const std::string& server_data) WARN_UNUSED_RESULT;
+
   // Returns path to the root certificate.
   FilePath GetRootCertificatePath();