Update from https://crrev.com/311076

net/quic/quic_config.h

Index: net/quic/quic_config.h
diff --git a/net/quic/quic_config.h b/net/quic/quic_config.h
index 12097f84564aece2119c8015dacaa0408cb85ff1..b8d7dd138a196d3b84846669ea8f4e405237153d 100644
--- a/net/quic/quic_config.h
+++ b/net/quic/quic_config.h
@@ -332,17 +332,6 @@ class NET_EXPORT_PRIVATE QuicConfig {
 
   uint32 GetInitialRoundTripTimeUsToSend() const;
 
-  // TODO(rjshade): Remove all InitialFlowControlWindow methods when removing
-  // QUIC_VERSION_19.
-  // Sets an initial stream flow control window size to transmit to the peer.
-  void SetInitialFlowControlWindowToSend(uint32 window_bytes);
-
-  uint32 GetInitialFlowControlWindowToSend() const;
-
-  bool HasReceivedInitialFlowControlWindowBytes() const;
-
-  uint32 ReceivedInitialFlowControlWindowBytes() const;
-
   // Sets an initial stream flow control window size to transmit to the peer.
   void SetInitialStreamFlowControlWindowToSend(uint32 window_bytes);
 
@@ -411,10 +400,6 @@ class NET_EXPORT_PRIVATE QuicConfig {
   // Initial round trip time estimate in microseconds.
   QuicFixedUint32 initial_round_trip_time_us_;
 
-  // TODO(rjshade): Remove when removing QUIC_VERSION_19.
-  // Initial flow control receive window in bytes.
-  QuicFixedUint32 initial_flow_control_window_bytes_;
-
   // Initial stream flow control receive window in bytes.
   QuicFixedUint32 initial_stream_flow_control_window_bytes_;
   // Initial session flow control receive window in bytes.