Add net::HttpServer::Delegate::OnConnect() function and set ChromeDriver buffer sizes to 100 MB

net/server/http_server.cc

Index: net/server/http_server.cc
diff --git a/net/server/http_server.cc b/net/server/http_server.cc
index fb0dab37a4f44702ea25f2e603a5cba491f41d06..6c7ee52f31b3ed4c7ae8076cbcf063aec87d1491 100644
--- a/net/server/http_server.cc
+++ b/net/server/http_server.cc
@@ -153,7 +153,9 @@ int HttpServer::HandleAcceptResult(int rv) {
   HttpConnection* connection =
       new HttpConnection(++last_id_, accepted_socket_.Pass());
   id_to_connection_[connection->id()] = connection;
-  DoReadLoop(connection);
+  delegate_->OnConnect(connection->id());
+  if (!HasClosedConnection(connection))
+    DoReadLoop(connection);
   return OK;
 }