Change the QuicInMemoryCache to store a SpdyHeaderBlock instead of BalsaHeaders.

net/tools/quic/quic_spdy_server_stream_test.cc

Index: net/tools/quic/quic_spdy_server_stream_test.cc
diff --git a/net/tools/quic/quic_spdy_server_stream_test.cc b/net/tools/quic/quic_spdy_server_stream_test.cc
index 0691f113360cebf24d6e529364c24e746907718a..5e57820a13018d4b199f44e29827889d361f4dc5 100644
--- a/net/tools/quic/quic_spdy_server_stream_test.cc
+++ b/net/tools/quic/quic_spdy_server_stream_test.cc
@@ -98,31 +98,13 @@ class QuicSpdyServerStreamTest : public ::testing::TestWithParam<QuicVersion> {
   }
 
   void SetUp() override {
-    QuicInMemoryCache* cache = QuicInMemoryCache::GetInstance();
-
-    BalsaHeaders response_headers;
-    StringPiece body("Yum");
-    response_headers.SetRequestFirstlineFromStringPieces("HTTP/1.1",
-                                                         "200",
-                                                         "OK");
-    response_headers.AppendHeader("content-length",
-                                  base::IntToString(body.length()));
-
+    QuicInMemoryCachePeer::ResetForTests();
     string host = "";
     string path = "/foo";
-    // Check if response already exists and matches.
-    const QuicInMemoryCache::Response* cached_response =
-        cache->GetResponse(host, path);
-    if (cached_response != nullptr) {
-      string cached_response_headers_str, response_headers_str;
-      cached_response->headers().DumpToString(&cached_response_headers_str);
-      response_headers.DumpToString(&response_headers_str);
-      CHECK_EQ(cached_response_headers_str, response_headers_str);
-      CHECK_EQ(cached_response->body(), body);
-      return;
-    }
-
-    cache->AddResponse(host, path, response_headers, body);
+    SpdyHeaderBlock response_headers;
+    StringPiece body("Yum");
+    QuicInMemoryCache::GetInstance()->AddResponse(host, path, response_headers,
+                                                  body);
   }
 
   const string& StreamBody() {