Add a QUIC connection option(BWMX) to resume to the max bandwidth

net/quic/congestion_control/tcp_cubic_sender.cc

Index: net/quic/congestion_control/tcp_cubic_sender.cc
diff --git a/net/quic/congestion_control/tcp_cubic_sender.cc b/net/quic/congestion_control/tcp_cubic_sender.cc
index 5a1a8f20ada944fee6e662877126c558f7b09c8d..0c2283e0012a8e0373822bf0d6dba86153406fee 100644
--- a/net/quic/congestion_control/tcp_cubic_sender.cc
+++ b/net/quic/congestion_control/tcp_cubic_sender.cc
@@ -78,7 +78,8 @@ void TcpCubicSender::SetFromConfig(const QuicConfig& config,
 }
 
 bool TcpCubicSender::ResumeConnectionState(
-    const CachedNetworkParameters& cached_network_params) {
+    const CachedNetworkParameters& cached_network_params,
+    bool max_bandwidth_resumption) {
   // If the previous bandwidth estimate is less than an hour old, store in
   // preparation for doing bandwidth resumption.
   int64 seconds_since_estimate =
@@ -88,7 +89,9 @@ bool TcpCubicSender::ResumeConnectionState(
   }
 
   QuicBandwidth bandwidth = QuicBandwidth::FromBytesPerSecond(
-      cached_network_params.bandwidth_estimate_bytes_per_second());
+      max_bandwidth_resumption
+          ? cached_network_params.max_bandwidth_estimate_bytes_per_second()
+          : cached_network_params.bandwidth_estimate_bytes_per_second());
   QuicTime::Delta rtt_ms =
       QuicTime::Delta::FromMilliseconds(cached_network_params.min_rtt_ms());