Various small QUIC cleanups after merging to Chrome.

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 aaee11dc49d72a28b6b78c8fb5756ed755639c79..7bfc8601be18d340243bf3df8487d4446f6f3a69 100644
--- a/net/quic/congestion_control/tcp_cubic_sender.cc
+++ b/net/quic/congestion_control/tcp_cubic_sender.cc
@@ -4,18 +4,18 @@
 
 #include "net/quic/congestion_control/tcp_cubic_sender.h"
 
+namespace net {
+
 namespace {
 // Constants based on TCP defaults.
 const int64 kHybridStartLowWindow = 16;
-const net::QuicByteCount kMaxSegmentSize = net::kMaxPacketSize;
-const net::QuicByteCount kDefaultReceiveWindow = 64000;
+const QuicByteCount kMaxSegmentSize = kMaxPacketSize;
+const QuicByteCount kDefaultReceiveWindow = 64000;
 const int64 kInitialCongestionWindow = 10;
 const int64 kMaxCongestionWindow = 10000;
 const int kMaxBurstLength = 3;
 };
 
-namespace net {
-
 TcpCubicSender::TcpCubicSender(const QuicClock* clock, bool reno)
     : hybrid_slow_start_(clock),
       cubic_(clock),