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

mojo/spy/websocket_server.h

Index: mojo/spy/websocket_server.h
diff --git a/mojo/spy/websocket_server.h b/mojo/spy/websocket_server.h
index 986b5796209652b32de677cb97176ea02ce5e554..c6098decbbc3d911402f81212ad2c88be471e99b 100644
--- a/mojo/spy/websocket_server.h
+++ b/mojo/spy/websocket_server.h
@@ -7,9 +7,16 @@
 
 #include <string>
 
+#include "mojo/spy/common.h"
 #include "mojo/spy/public/spy.mojom.h"
 #include "net/server/http_server.h"
 
+namespace base {
+class Time;
+};
+
+class GURL;
+
 namespace mojo {
 
 class WebSocketServer : public net::HttpServer::Delegate,
@@ -23,6 +30,12 @@ class WebSocketServer : public net::HttpServer::Delegate,
   // 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::MojoRequestHeader& message_header,
+      const GURL& url,
+      const base::Time& message_time);
+
  protected:
   // Overridden from net::HttpServer::Delegate.
   virtual void OnHttpRequest(
@@ -47,6 +60,8 @@ class WebSocketServer : public net::HttpServer::Delegate,
 
   // Callbacks from calling spy_api::SpyServer.
   void OnStartSession(spy_api::Result, mojo::String);
+
+  bool Connected() const;
 
  private:
   int port_;