[DevTools] Support multiple clients in DevToolsAgentHost

content/browser/devtools/worker_devtools_agent_host.cc

Index: content/browser/devtools/worker_devtools_agent_host.cc
diff --git a/content/browser/devtools/worker_devtools_agent_host.cc b/content/browser/devtools/worker_devtools_agent_host.cc
index 2839937066504a8ba21af4b7e08690b502f77dcb..b8f8cd994729999341a71d8d1d2794564126e2f5 100644
--- a/content/browser/devtools/worker_devtools_agent_host.cc
+++ b/content/browser/devtools/worker_devtools_agent_host.cc
@@ -107,12 +107,10 @@ void WorkerDevToolsAgentHost::WorkerReadyForInspection() {
     state_ = WORKER_INSPECTED;
     AttachToWorker();
     if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first)) {
-      std::string state_cookie;
-      auto it = chunk_processors_.find(session()->session_id());
-      if (it != chunk_processors_.end())
-        state_cookie = it->second->state_cookie();
-      host->Send(new DevToolsAgentMsg_Reattach(
-          worker_id_.second, GetId(), session()->session_id(), state_cookie));
+      for (auto& it : chunk_processors_) {
+        host->Send(new DevToolsAgentMsg_Reattach(
+            worker_id_.second, GetId(), it.first, it.second->state_cookie()));
+      }
     }
     OnAttachedStateChanged(true);
   } else if (state_ == WORKER_PAUSED_FOR_DEBUG_ON_START) {
@@ -180,8 +178,9 @@ void WorkerDevToolsAgentHost::OnDispatchOnInspectorFrontend(
 
 void WorkerDevToolsAgentHost::SendChunkedMessage(int session_id,
                                                  const std::string& message) {
-  if (session() && session()->session_id() == session_id)
-    session()->SendMessageToClient(message);
+  auto it = sessions().find(session_id);
+  if (it != sessions().end())
+    it->second->SendMessageToClient(message);
 }
 
 }  // namespace content