[Devtools] Allow User-Agent header override for Websockets

content/browser/devtools/protocol/network_handler.cc

Index: content/browser/devtools/protocol/network_handler.cc
diff --git a/content/browser/devtools/protocol/network_handler.cc b/content/browser/devtools/protocol/network_handler.cc
index 46e07045336bfe8a490ec69574fa9a79e699eda8..80413f59d3e633ec5524fc84faf57386678b40ec 100644
--- a/content/browser/devtools/protocol/network_handler.cc
+++ b/content/browser/devtools/protocol/network_handler.cc
@@ -205,6 +205,14 @@ void NetworkHandler::SetClient(std::unique_ptr<Client> client) {
   client_.swap(client);
 }
 
+void NetworkHandler::Detached() {
+  user_agent_override_ = "";
+}
+
+std::string NetworkHandler::GetUserAgentOverride() {
+  return user_agent_override_;
+}
+
 Response NetworkHandler::ClearBrowserCache() {
   if (host_)
     GetContentClient()->browser()->ClearCache(host_);
@@ -334,6 +342,13 @@ Response NetworkHandler::ShowCertificateViewer(int certificate_id) {
   return Response::OK();
 }
 
+Response NetworkHandler::SetUserAgentOverride(const std::string& user_agent) {
+  if (!host_)
+    return Response::InternalError("Could not connect to view");
+  user_agent_override_ = user_agent;
+  return Response::OK();
+}
+
 }  // namespace network
 }  // namespace devtools
 }  // namespace content