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 84830b8b8dad3f21499952e610fa05df5dc235d6..e35d284f869e135e332741ca41aa969ecffc9cbb 100644
--- a/mojo/spy/websocket_server.h
+++ b/mojo/spy/websocket_server.h
@@ -5,8 +5,15 @@
 #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 {
@@ -19,6 +26,12 @@ 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::MojoMessageHeader& message_header,
+      const GURL& url,
+      const base::Time& message_time);
+
  protected:
   // Overridden from net::HttpServer::Delegate.
   virtual void OnHttpRequest(