DevTools: allow embedder handling async remote debugger commands.

content/browser/devtools/devtools_session.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/memory/weak_ptr.h"
+#include "base/values.h"
 #include "content/browser/devtools/protocol/devtools_domain_handler.h"
 #include "content/browser/devtools/protocol/protocol.h"
 
 namespace content {
 
 class DevToolsAgentHostImpl;
 class DevToolsAgentHostClient;
 class RenderFrameHostImpl;
 
 class DevToolsSession : public protocol::FrontendChannel {
@@ skipping 11 matching lines @@
 
   protocol::Response::Status Dispatch(
       const std::string& message,
       int* call_id,
       std::string* method);
 
   // Only used by DevToolsAgentHostImpl.
   DevToolsAgentHostClient* client() const { return client_; }
 
  private:
+  void sendResponse(std::unique_ptr<base::DictionaryValue> response);
   // protocol::FrontendChannel implementation.
   void sendProtocolResponse(
       int call_id,
       std::unique_ptr<protocol::Serializable> message) override;
   void sendProtocolNotification(
       std::unique_ptr<protocol::Serializable> message) override;
   void flushProtocolNotifications() override;
 
   DevToolsAgentHostImpl* agent_host_;
   DevToolsAgentHostClient* client_;
   int session_id_;
   std::unordered_map<std::string,
       std::unique_ptr<protocol::DevToolsDomainHandler>> handlers_;
   RenderFrameHostImpl* host_;
   std::unique_ptr<protocol::UberDispatcher> dispatcher_;
+
+  base::WeakPtrFactory<DevToolsSession> weak_factory_;
 };
 
 }  // namespace content