Adds a DCHECK that the host argument to QuicInMemoryCache::AddResponse is not empty. An empty host …

net/tools/quic/test_tools/quic_test_client.cc

Index: net/tools/quic/test_tools/quic_test_client.cc
diff --git a/net/tools/quic/test_tools/quic_test_client.cc b/net/tools/quic/test_tools/quic_test_client.cc
index b16714ab287101c4ef3d8c0bea5ad4eb06e9ccf6..52d91f0adc44b03cdd05e7a59b0280eb94597b8a 100644
--- a/net/tools/quic/test_tools/quic_test_client.cc
+++ b/net/tools/quic/test_tools/quic_test_client.cc
@@ -254,6 +254,10 @@ ssize_t QuicTestClient::GetOrCreateStreamAndSendRequest(
       headers->GetAllOfHeaderAsString("transfer-encoding", &encoding);
       spdy_headers.insert(std::make_pair("transfer-encoding", encoding));
     }
+    if (static_cast<StringPiece>(spdy_headers[":authority"]).empty()) {
+      // HTTP/2 requests should include the :authority pseudo hader.
+      spdy_headers[":authority"] = client_->server_id().host();
+    }
     ret = stream->SendRequest(spdy_headers, body, fin);
   } else {
     stream->SendBody(body.as_string(), fin, delegate);