Add support for logging information about mojo messages retrieved by the mojo debugger

mojo/spy/websocket_server.h

 // Copyright 2014 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 MOJO_SPY_WEBSOCKET_SERVER_H_
 #define MOJO_SPY_WEBSOCKET_SERVER_H_
 
+#include "mojo/spy/common.h"
 #include "net/server/http_server.h"
 
+namespace base {
+class Time;
+};
+
+class GURL;
+
 namespace spy {
 
 class WebSocketServer : public net::HttpServer::Delegate {
  public:
   // Pass 0 in |port| to listen in one available port.
   explicit WebSocketServer(int port);
   virtual ~WebSocketServer();
   // Begin accepting HTTP requests. Must be called from an IO MessageLoop.
   bool Start();
   // Returns the listening port, useful if 0 was passed to the contructor.
   int port() const { return port_; }
 
+  // Maintains a log of the message passed in.
+  void LogMessageInfo(
+      const mojo::MojoMessageHeader& message_header,
+      const GURL& url,
+      const base::Time& message_time);
+
  protected:
   // Overridden from net::HttpServer::Delegate.
   virtual void OnHttpRequest(
       int connection_id,
       const net::HttpServerRequestInfo& info) OVERRIDE;
   virtual void OnWebSocketRequest(
       int connection_id,
       const net::HttpServerRequestInfo& info) OVERRIDE;
   virtual void OnWebSocketMessage(
       int connection_id,
       const std::string& data) OVERRIDE;
   virtual void OnClose(int connection_id) OVERRIDE;
 
  private:
   int port_;
   int connection_id_;
   scoped_refptr<net::HttpServer> server_;
   DISALLOW_COPY_AND_ASSIGN(WebSocketServer);
 };
 
 }  // namespace spy
 
 #endif  // MOJO_SPY_WEBSOCKET_SERVER_H_