Set Token-Binding HTTP header

net/http/http_network_transaction.cc

Index: net/http/http_network_transaction.cc
diff --git a/net/http/http_network_transaction.cc b/net/http/http_network_transaction.cc
index c12f95dfa6764397b7e7900121e191f017dda604..82d56d4adff940502e0b4e566f33112e5f5eeeb5 100644
--- a/net/http/http_network_transaction.cc
+++ b/net/http/http_network_transaction.cc
@@ -927,6 +927,14 @@ void HttpNetworkTransaction::BuildRequestHeaders(
     request_headers_.SetHeader(HttpRequestHeaders::kContentLength, "0");
   }
 
+  // Add Token binding header, if needed.
+  std::string token_binding_header;
+  if (stream_->GetTokenBindingMessageHeader(&token_binding_header) == OK &&
+      token_binding_header != "") {
+    request_headers_.SetHeader(HttpRequestHeaders::kSecTokenBinding,
+                               token_binding_header);
+  }
+
   // Honor load flags that impact proxy caches.
   if (request_->load_flags & LOAD_BYPASS_CACHE) {
     request_headers_.SetHeader(HttpRequestHeaders::kPragma, "no-cache");