Remove usage of BalsaHeaders from QuicClient. Also move QuicDataToResend from QuicClient to QuicCli…

net/tools/quic/end_to_end_test.cc

Index: net/tools/quic/end_to_end_test.cc
diff --git a/net/tools/quic/end_to_end_test.cc b/net/tools/quic/end_to_end_test.cc
index 869eab2de220f79991757bd0c17a963fa45bed5a..f7efc2e1d8ea0e02520112b54d00a8b90a5df079 100644
--- a/net/tools/quic/end_to_end_test.cc
+++ b/net/tools/quic/end_to_end_test.cc
@@ -1868,10 +1868,9 @@ class TestAckListener : public QuicAckListenerInterface {
 class TestResponseListener : public QuicClient::ResponseListener {
  public:
   void OnCompleteResponse(QuicStreamId id,
-                          const BalsaHeaders& response_headers,
+                          const SpdyHeaderBlock& response_headers,
                           const string& response_body) override {
-    string debug_string;
-    response_headers.DumpHeadersToString(&debug_string);
+    string debug_string = response_headers.DebugString();
     DVLOG(1) << "response for stream " << id << " " << debug_string << "\n"
              << response_body;
   }