[DevTools] Filter any messages from previous sessions in DevToolsAgentHostImpl

components/html_viewer/devtools_agent_impl.h

 // Copyright 2015 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 COMPONENTS_HTML_VIEWER_DEVTOOLS_AGENT_IMPL_H_
 #define COMPONENTS_HTML_VIEWER_DEVTOOLS_AGENT_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 20 matching lines @@
   ~DevToolsAgentImpl() override;
 
   void BindToRequest(mojo::InterfaceRequest<DevToolsAgent> request);
 
  private:
   // devtools_service::DevToolsAgent implementation.
   void SetClient(devtools_service::DevToolsAgentClientPtr client) override;
   void DispatchProtocolMessage(const mojo::String& message) override;
 
   // blink::WebDevToolsAgentClient implementation.
-  void sendProtocolMessage(int call_id,
+  void sendProtocolMessage(int session_id,
+                           int call_id,
                            const blink::WebString& response,
                            const blink::WebString& state);
 
   void OnConnectionError();
 
   blink::WebLocalFrame* const frame_;
   const std::string id_;
 
   mojo::Binding<DevToolsAgent> binding_;
   devtools_service::DevToolsAgentClientPtr client_;
 
   // If we restore the agent's internal state using serialized state data from a
   // previous agent, the agent may generate messages before |client_| is set.
   // In that case, we need to cache messages for the client.
   bool cache_until_client_ready_;
 
   struct CachedClientMessage {
     int call_id;
     mojo::String response;
     mojo::String state;
   };
   std::vector<CachedClientMessage> cached_client_messages_;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsAgentImpl);
 };
 
 }  // namespace html_viewer
 
 #endif  // COMPONENTS_HTML_VIEWER_DEVTOOLS_AGENT_IMPL_H_