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

mojo/spy/websocket_server.cc

Index: mojo/spy/websocket_server.cc
diff --git a/mojo/spy/websocket_server.cc b/mojo/spy/websocket_server.cc
index 649a135c13e81fb363db3b878ad8833343ce515c..4bea133d6da87f66852f65dd52a25281b55a4bb0 100644
--- a/mojo/spy/websocket_server.cc
+++ b/mojo/spy/websocket_server.cc
@@ -5,12 +5,15 @@
 #include "mojo/spy/websocket_server.h"
 
 #include "base/bind.h"
+#include "base/logging.h"
 #include "base/strings/stringprintf.h"
+#include "base/time/time.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/net_errors.h"
 #include "net/server/http_server_request_info.h"
 #include "net/server/http_server_response_info.h"
 #include "net/socket/tcp_listen_socket.h"
+#include "url/gurl.h"
 
 namespace spy {
 
@@ -32,6 +35,33 @@ bool WebSocketServer::Start() {
   return (error == net::OK);
 }
 
+void WebSocketServer::LogMessageInfo(
+    const mojo::MojoMessageHeader& message_header,
+    const GURL& url,
+    const base::Time& message_time) {
+  base::Time::Exploded exploded;
+  message_time.LocalExplode(&exploded);
+

[cpu_(ooo_6.6-7.5), 2014/06/27 01:44:06]

assume you have:

bool WebSocketServer::connected() const {
 return connection_id_ !=  kNotConnected;
}

here you can do 
if (connected()) {
  str = FormatMojoMessage(....)
  server_->SendOverWebSocket(connection_id, str);
}

See line 91.

[ananta, 2014/07/03 00:04:40]

Done.

+  DLOG(INFO) << "\n\nStart of message for url :" << url.spec();
+  DLOG(INFO) << "Message Time Hours :" << exploded.hour;
+  DLOG(INFO) << "Message Time Mins :" << exploded.minute;
+  DLOG(INFO) << "Message Time Secs :" << exploded.second;
+  DLOG(INFO) << "Message Bytes  : " << message_header.num_bytes;
+  DLOG(INFO) << "Message Fields : " << message_header.num_fields;
+  DLOG(INFO) << "Message name : " << message_header.name;
+  if (message_header.num_fields == 3) {
+    DLOG(INFO) << "Message has request id";
+    DLOG(INFO) << "Message Request ID : "
+                << message_header.request_id;
+  }
+  if (message_header.flags & mojo::kMessageExpectsResponse) {
+    DLOG(INFO) << "Message expects response";
+  } else if (message_header.flags & mojo::kMessageIsResponse) {
+    DLOG(INFO) << "Message is response";
+  }
+  DLOG(INFO) << "End of message : ";
+}
+
 void WebSocketServer::OnHttpRequest(
     int connection_id,
     const net::HttpServerRequestInfo& info) {