Implement special behaviors (closing and timing out) in the test server.

net/tools/quic/quic_in_memory_cache.cc

Index: net/tools/quic/quic_in_memory_cache.cc
diff --git a/net/tools/quic/quic_in_memory_cache.cc b/net/tools/quic/quic_in_memory_cache.cc
index b3e08f8d36a4423be09f8d237116bc0c2a1cc994..af46ca37daaa6c5f5a2bcaeab410cc221f69c11e 100644
--- a/net/tools/quic/quic_in_memory_cache.cc
+++ b/net/tools/quic/quic_in_memory_cache.cc
@@ -110,6 +110,18 @@ void QuicInMemoryCache::AddResponse(const BalsaHeaders& request_headers,
   responses_[GetKey(request_headers)] = new_response;
 }
 
+void QuicInMemoryCache::AddSpecialResponse(StringPiece method,
+                                           StringPiece path,
+                                           StringPiece version,
+                                           SpecialResponseType response_type) {
+  BalsaHeaders request_headers, response_headers;
+  request_headers.SetRequestFirstlineFromStringPieces(method,
+                                                      path,
+                                                      version);
+  AddResponse(request_headers, response_headers, "");
+  responses_[GetKey(request_headers)]->response_type_ = response_type;
+}
+
 QuicInMemoryCache::QuicInMemoryCache() {
   Initialize();
 }