Close idle connections / SPDY sessions when needed

net/spdy/spdy_session.cc

Index: net/spdy/spdy_session.cc
diff --git a/net/spdy/spdy_session.cc b/net/spdy/spdy_session.cc
index cc190ec841f793a9d8a2aa824aa18df2b6c1a1a5..81cc5f69adf7f9247e07361255c49ed8727eba7d 100644
--- a/net/spdy/spdy_session.cc
+++ b/net/spdy/spdy_session.cc
@@ -379,6 +379,7 @@ net::Error SpdySession::InitializeWithSocket(
 
   state_ = CONNECTED;
   connection_.reset(connection);
+  connection_->AddLayeredPool(this);
   is_secure_ = is_secure;
   certificate_error_code_ = certificate_error_code;
 
@@ -1176,6 +1177,18 @@ int SpdySession::GetLocalAddress(IPEndPoint* address) const {
   return connection_->socket()->GetLocalAddress(address);
 }
 
+bool SpdySession::CloseOneIdleConnection() {
+  if (spdy_session_pool_ && num_active_streams() == 0) {
+    bool ret = HasOneRef();
+    // Will remove a reference to this.
+    RemoveFromPool();
+    // Since the underlying socket it only returned when |this| is destroyed

[mmenke, 2012/03/19 19:29:28]

nit:  it->is

[Ryan Hamilton, 2012/03/19 22:34:27]

Done.

+    // we should only return true if RemoveFromPool() removed the last ref.
+    return ret;
+  }
+  return false;
+}
+
 void SpdySession::ActivateStream(SpdyStream* stream) {
   const spdy::SpdyStreamId id = stream->stream_id();
   DCHECK(!IsStreamActive(id));