Pull out stream/session updates from OnConfigNegotiated. Preparation for

net/quic/quic_session.cc

Index: net/quic/quic_session.cc
diff --git a/net/quic/quic_session.cc b/net/quic/quic_session.cc
index 352a9635dedbda9dda638109a56f093c7b33aceb..3db64bb0c83d53cd17513ba1425064835a9a234e 100644
--- a/net/quic/quic_session.cc
+++ b/net/quic/quic_session.cc
@@ -467,28 +467,44 @@ void QuicSession::OnConfigNegotiated() {
       config_.HasReceivedInitialFlowControlWindowBytes()) {
     // Streams which were created before the SHLO was received (0RTT requests)
     // are now informed of the peer's initial flow control window.
-    uint32 new_flow_control_send_window =
-        config_.ReceivedInitialFlowControlWindowBytes();
-    if (new_flow_control_send_window < kDefaultFlowControlSendWindow) {
-      LOG(ERROR)
-          << "Peer sent us an invalid flow control send window: "
-          << new_flow_control_send_window
-          << ", below default: " << kDefaultFlowControlSendWindow;
+    uint32 new_window = config_.ReceivedInitialFlowControlWindowBytes();
+    OnNewStreamFlowControlWindow(new_window);
+    OnNewSessionFlowControlWindow(new_window);
+  }
+}
+
+void QuicSession::OnNewStreamFlowControlWindow(uint32 new_window) {
+  if (new_window < kDefaultFlowControlSendWindow) {
+    LOG(ERROR)
+        << "Peer sent us an invalid stream flow control send window: "
+        << new_window << ", below default: " << kDefaultFlowControlSendWindow;
+    if (connection_->connected()) {
       connection_->SendConnectionClose(QUIC_FLOW_CONTROL_INVALID_WINDOW);
-      return;
-    }
-    DataStreamMap::iterator it = stream_map_.begin();
-    while (it != stream_map_.end()) {
-      it->second->flow_controller()->UpdateSendWindowOffset(
-          new_flow_control_send_window);
-      it++;
     }
+    return;
+  }
 
-    // Update connection level window.
-    flow_controller_->UpdateSendWindowOffset(new_flow_control_send_window);
+  DataStreamMap::iterator it = stream_map_.begin();
+  while (it != stream_map_.end()) {
+    it->second->flow_controller()->UpdateSendWindowOffset(new_window);
+    it++;
   }
 }
 
+void QuicSession::OnNewSessionFlowControlWindow(uint32 new_window) {
+  if (new_window < kDefaultFlowControlSendWindow) {
+    LOG(ERROR)
+        << "Peer sent us an invalid session flow control send window: "
+        << new_window << ", below default: " << kDefaultFlowControlSendWindow;
+    if (connection_->connected()) {
+      connection_->SendConnectionClose(QUIC_FLOW_CONTROL_INVALID_WINDOW);
+    }
+    return;
+  }
+
+  flow_controller_->UpdateSendWindowOffset(new_window);
+}
+
 void QuicSession::OnCryptoHandshakeEvent(CryptoHandshakeEvent event) {
   switch (event) {
     // TODO(satyamshekhar): Move the logic of setting the encrypter/decrypter