DevTools: prepare to migrate worker ids from ints to strings.

content/browser/devtools/protocol/worker_handler.cc

Index: content/browser/devtools/protocol/worker_handler.cc
diff --git a/content/browser/devtools/protocol/worker_handler.cc b/content/browser/devtools/protocol/worker_handler.cc
index 9baee177fec1142bb8773a4ded58ac9c327be41e..8eee22dc2a8fd46d2b3d6dc632a1aef96839292b 100644
--- a/content/browser/devtools/protocol/worker_handler.cc
+++ b/content/browser/devtools/protocol/worker_handler.cc
@@ -24,6 +24,10 @@ Response WorkerHandler::DisconnectFromWorker(int worker_id) {
   return Response::FallThrough();
 }
 
+Response WorkerHandler::DisconnectFromWorker(const std::string& worker_id) {
+  return Response::FallThrough();
+}
+
 }  // namespace worker
 }  // namespace devtools
 }  // namespace content