DevTools: discover default port node servers for debugging (behind experiment)

content/browser/devtools/protocol/browser_handler.cc

Index: content/browser/devtools/protocol/browser_handler.cc
diff --git a/content/browser/devtools/protocol/browser_handler.cc b/content/browser/devtools/protocol/browser_handler.cc
index 286ce15dabae57b55f384cec5a72f809cddd0093..aabbf40c43126a6ddce4210659bfabe497548df7 100644
--- a/content/browser/devtools/protocol/browser_handler.cc
+++ b/content/browser/devtools/protocol/browser_handler.cc
@@ -27,6 +27,12 @@ void BrowserHandler::SetClient(std::unique_ptr<Client> client) {
   client_.swap(client);
 }
 
+void BrowserHandler::Detached() {
+  for (const auto& host : attached_hosts_)
+    host->DetachClient(this);
+  attached_hosts_.clear();
+}
+
 Response BrowserHandler::CreateBrowserContext(std::string* out_context_id) {
   // For layering reasons this needs to be handled by
   // DevToolsManagerDelegate::HandleCommand.
@@ -139,6 +145,11 @@ Response BrowserHandler::SendMessage(const std::string& target_id,
   return Response::OK();
 }
 
+Response BrowserHandler::SetRemoteLocations(
+    const std::vector<std::unique_ptr<base::DictionaryValue>>& locations) {
+  return Response::OK();
+}
+
 void BrowserHandler::DispatchProtocolMessage(
     DevToolsAgentHost* agent_host, const std::string& message) {
   client_->DispatchMessage(DispatchMessageParams::Create()->