Emit session-level WINDOW_UPDATEs less frequently.

net/spdy/spdy_session_pool.cc

Index: net/spdy/spdy_session_pool.cc
diff --git a/net/spdy/spdy_session_pool.cc b/net/spdy/spdy_session_pool.cc
index 8f0de903c6854ac4bf79218d0eec67067ac709b1..b5496b98c88ee756d576153df3e5ab4ad6d641b6 100644
--- a/net/spdy/spdy_session_pool.cc
+++ b/net/spdy/spdy_session_pool.cc
@@ -37,7 +37,8 @@ SpdySessionPool::SpdySessionPool(
     bool enable_compression,
     bool enable_ping_based_connection_checking,
     NextProto default_protocol,
-    size_t stream_initial_recv_window_size,
+    size_t session_max_recv_window_size,
+    size_t stream_max_recv_window_size,
     size_t initial_max_concurrent_streams,
     size_t max_concurrent_streams_limit,
     SpdySessionPool::TimeFunc time_func,
@@ -54,15 +55,14 @@ SpdySessionPool::SpdySessionPool(
           enable_ping_based_connection_checking),
       // TODO(akalin): Force callers to have a valid value of
       // |default_protocol_|.
-      default_protocol_(
-          (default_protocol == kProtoUnknown) ?
-          kProtoSPDY31 : default_protocol),
-      stream_initial_recv_window_size_(stream_initial_recv_window_size),
+      default_protocol_((default_protocol == kProtoUnknown) ? kProtoSPDY31
+                                                            : default_protocol),
+      session_max_recv_window_size_(session_max_recv_window_size),
+      stream_max_recv_window_size_(stream_max_recv_window_size),
       initial_max_concurrent_streams_(initial_max_concurrent_streams),
       max_concurrent_streams_limit_(max_concurrent_streams_limit),
       time_func_(time_func),
-      trusted_spdy_proxy_(
-          HostPortPair::FromString(trusted_spdy_proxy)) {
+      trusted_spdy_proxy_(HostPortPair::FromString(trusted_spdy_proxy)) {
   DCHECK(default_protocol_ >= kProtoSPDYMinimumVersion &&
          default_protocol_ <= kProtoSPDYMaximumVersion);
   NetworkChangeNotifier::AddIPAddressObserver(this);
@@ -98,21 +98,14 @@ base::WeakPtr<SpdySession> SpdySessionPool::CreateAvailableSessionFromSocket(
   UMA_HISTOGRAM_ENUMERATION(
       "Net.SpdySessionGet", IMPORTED_FROM_SOCKET, SPDY_SESSION_GET_MAX);
 
-  scoped_ptr<SpdySession> new_session(
-      new SpdySession(key,
-                      http_server_properties_,
-                      transport_security_state_,
-                      verify_domain_authentication_,
-                      enable_sending_initial_data_,
-                      enable_compression_,
-                      enable_ping_based_connection_checking_,
-                      default_protocol_,
-                      stream_initial_recv_window_size_,
-                      initial_max_concurrent_streams_,
-                      max_concurrent_streams_limit_,
-                      time_func_,
-                      trusted_spdy_proxy_,
-                      net_log.net_log()));
+  scoped_ptr<SpdySession> new_session(new SpdySession(
+      key, http_server_properties_, transport_security_state_,
+      verify_domain_authentication_, enable_sending_initial_data_,
+      enable_compression_, enable_ping_based_connection_checking_,
+      default_protocol_, session_max_recv_window_size_,
+      stream_max_recv_window_size_, initial_max_concurrent_streams_,
+      max_concurrent_streams_limit_, time_func_, trusted_spdy_proxy_,
+      net_log.net_log()));
 
   new_session->InitializeWithSocket(
       connection.Pass(), this, is_secure, certificate_error_code);