QUIC - clarified comments for persisting crypto config per comments in

net/quic/quic_crypto_client_stream.cc

Index: net/quic/quic_crypto_client_stream.cc
diff --git a/net/quic/quic_crypto_client_stream.cc b/net/quic/quic_crypto_client_stream.cc
index fd5422eaa792dce79201fe71dad566e5afc6f2e4..71d369d7607fe8cf5bb6d1802bede2ed4329aa80 100644
--- a/net/quic/quic_crypto_client_stream.cc
+++ b/net/quic/quic_crypto_client_stream.cc
@@ -427,10 +427,11 @@ int QuicCryptoClientStream::DoLoadQuicServerInfo(
   // TODO(rtenneti): If multiple tabs load the same URL, all requests except for
   // the first request send InchoateClientHello. Fix the code to handle multiple
   // requests. A possible solution is to wait for the first request to finish
-  // and use the data from the disk cache for all requests.
-  // quic_server_info->Persist requires quic_server_info to be ready. We might
-  // have already initialized |cached| config from a the cached state for a
-  // canonical hostname.
+  // and use the data from the disk cache for all requests. We may need to call

[wtc, 2014/02/21 00:04:28]

Please start a new paragraph, to make it clear that this is not part of the TODO
comment.

[ramant (doing other things), 2014/02/21 00:08:10]

Thanks very much.

Done.

+  // quic_server_info->Persist later. quic_server_info->Persist requires
+  // quic_server_info to be ready, so we always call WaitForDataReady, even
+  // though we might have initialized |cached| config from the cached state for
+  // a canonical hostname.
   int rv = quic_server_info->WaitForDataReady(
       base::Bind(&QuicCryptoClientStream::OnIOComplete,
                  base::Unretained(this)));
@@ -447,11 +448,8 @@ void QuicCryptoClientStream::DoLoadQuicServerInfoComplete(
 
   // If someone else already saved a server config, we don't want to overwrite
   // it. Also, if someone else saved a server config and then cleared it (so
-  // cached->IsEmpty() is true, but the generation counter changed), we still
-  // want to load from QuicServerInfo.
+  // cached->IsEmpty() is true), we still want to load from QuicServerInfo.
   if (!cached->IsEmpty()) {
-    // Someone else has already saved a server config received from the network
-    // or the canonical server config.
     return;
   }