[DevTools] Filter any messages from previous sessions in DevToolsAgentHostImpl

content/browser/devtools/devtools_agent_host_impl.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_AGENT_HOST_IMPL_H_
 #define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_AGENT_HOST_IMPL_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 31 matching lines @@
   BrowserContext* GetBrowserContext() override;
   WebContents* GetWebContents() override;
   void DisconnectWebContents() override;
   void ConnectWebContents(WebContents* wc) override;
 
  protected:
   DevToolsAgentHostImpl();
   ~DevToolsAgentHostImpl() override;
 
   void HostClosed();
-  void SendMessageToClient(const std::string& message);
+  void SendMessageToClient(int session_id, const std::string& message);
   devtools::DevToolsIOContext* GetIOContext() { return &io_context_; }
 
+  int SessionId() { return session_id_; }

[dgozman, 2015/11/06 22:57:27]

int session_id() { return session_id_; }

[kozy, 2015/11/07 01:54:43]

Done.

+
   static void NotifyCallbacks(DevToolsAgentHostImpl* agent_host, bool attached);
 
  private:
   friend class DevToolsAgentHost; // for static methods
   void InnerDetach();
 
   const std::string id_;
+  int session_id_;
   DevToolsAgentHostClient* client_;
   devtools::DevToolsIOContext io_context_;
 };
 
 class DevToolsMessageChunkProcessor {
  public:
-  using SendMessageCallback = base::Callback<void(const std::string&)>;
+  using SendMessageCallback = base::Callback<void(int, const std::string&)>;
   explicit DevToolsMessageChunkProcessor(const SendMessageCallback& callback);
   ~DevToolsMessageChunkProcessor();
 
   std::string state_cookie() const { return state_cookie_; }
   void set_state_cookie(const std::string& cookie) { state_cookie_ = cookie; }
   int last_call_id() const { return last_call_id_; }
   void ProcessChunkedMessageFromAgent(const DevToolsMessageChunk& chunk);
 
  private:
   SendMessageCallback callback_;
   std::string message_buffer_;
   uint32 message_buffer_size_;
   std::string state_cookie_;
   int last_call_id_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_AGENT_HOST_IMPL_H_