Roll Chrome into Mojo.

net/tools/quic/quic_server.cc

Index: net/tools/quic/quic_server.cc
diff --git a/net/tools/quic/quic_server.cc b/net/tools/quic/quic_server.cc
index fd24059d148f7940a31c2ba0c6a362ebc495d842..779f62c4565ec8f8441a2811f4adf3486a652ead 100644
--- a/net/tools/quic/quic_server.cc
+++ b/net/tools/quic/quic_server.cc
@@ -67,6 +67,26 @@ void QuicServer::Initialize() {
 #if MMSG_MORE
   use_recvmmsg_ = true;
 #endif
+
+  // If an initial flow control window has not explicitly been set, then use a
+  // sensible value for a server: 1 MB for session, 64 KB for each stream.
+  const uint32 kInitialSessionFlowControlWindow = 1 * 1024 * 1024;  // 1 MB
+  const uint32 kInitialStreamFlowControlWindow = 64 * 1024;         // 64 KB
+  if (config_.GetInitialFlowControlWindowToSend() ==
+      kMinimumFlowControlSendWindow) {
+    config_.SetInitialFlowControlWindowToSend(kInitialSessionFlowControlWindow);
+  }
+  if (config_.GetInitialStreamFlowControlWindowToSend() ==
+      kMinimumFlowControlSendWindow) {
+    config_.SetInitialStreamFlowControlWindowToSend(
+        kInitialStreamFlowControlWindow);
+  }
+  if (config_.GetInitialSessionFlowControlWindowToSend() ==
+      kMinimumFlowControlSendWindow) {
+    config_.SetInitialSessionFlowControlWindowToSend(
+        kInitialSessionFlowControlWindow);
+  }
+
   epoll_server_.set_timeout_in_us(50 * 1000);
   // Initialize the in memory cache now.
   QuicInMemoryCache::GetInstance();