[DevTools] Filter any messages from previous sessions in DevToolsAgentHostImpl

content/browser/devtools/protocol/devtools_protocol_client.h

Index: content/browser/devtools/protocol/devtools_protocol_client.h
diff --git a/content/browser/devtools/protocol/devtools_protocol_client.h b/content/browser/devtools/protocol/devtools_protocol_client.h
index 9297187f21c1778752372a2881912ab4c1bbe380..c0436af5d73a16916cb206600e8f470ba6858221 100644
--- a/content/browser/devtools/protocol/devtools_protocol_client.h
+++ b/content/browser/devtools/protocol/devtools_protocol_client.h
@@ -16,7 +16,7 @@ class DevToolsProtocolDispatcher;
 
 class DevToolsProtocolClient {
  public:
-  typedef base::Callback<void(const std::string& message)>
+  typedef base::Callback<void(int, const std::string& message)>
       RawMessageCallback;
   static const DevToolsCommandId kNoId;
 
@@ -43,19 +43,21 @@ class DevToolsProtocolClient {
     std::string message_;
   };
 
-  bool SendError(DevToolsCommandId command_id,
+  bool SendError(int session_id,
+                 DevToolsCommandId command_id,
                  const Response& response);
 
   // Sends message to client, the caller is presumed to properly
   // format the message. Do not use unless you must.
-  void SendRawMessage(const std::string& message);
+  void SendRawMessage(int session_id, const std::string& message);
 
   explicit DevToolsProtocolClient(
       const RawMessageCallback& raw_message_callback);
   virtual ~DevToolsProtocolClient();
 
  protected:
-  void SendSuccess(DevToolsCommandId command_id,
+  void SendSuccess(int session_id,
+                   DevToolsCommandId command_id,
                    scoped_ptr<base::DictionaryValue> params);
   void SendNotification(const std::string& method,
                         scoped_ptr<base::DictionaryValue> params);
@@ -63,7 +65,7 @@ class DevToolsProtocolClient {
  private:
   friend class DevToolsProtocolDispatcher;
 
-  void SendMessage(const base::DictionaryValue& message);
+  void SendMessage(int session_id, const base::DictionaryValue& message);
 
   RawMessageCallback raw_message_callback_;
   DISALLOW_COPY_AND_ASSIGN(DevToolsProtocolClient);