SPDY PING - log the type of PING if it is received

or sent ping (like below):

t=1323200233634 [st=196851]     SPDY_SESSION_PING
                                --> type = "sent"
                                --> unique_id = 3
t=1323200233638 [st=196855]     SPDY_SESSION_PING
                                --> type = "received"
                                --> unique_id = 3
BUG=106499
R=willchan
TEST=spdy unit tests

Review URL: http://codereview.chromium.org/8824005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113295 0039d316-1c4b-4281-b951-d872f2087c98

net/base/net_log_event_type_list.h

@@ -952,6 +952,7 @@ EVENT_TYPE(SPDY_SESSION_SEND_RST_STREAM)
 // The following parameters are attached:
 //   {
 //     "unique_id": <The unique id of the PING message>,
+//     "type": <The PING type ("sent", "received")>,
 //   }
 EVENT_TYPE(SPDY_SESSION_PING)
 

net/spdy/spdy_session.cc

@@ -175,17 +175,21 @@ class NetLogSpdyRstParameter : public NetLog::EventParameters {
 
 class NetLogSpdyPingParameter : public NetLog::EventParameters {
  public:
-  explicit NetLogSpdyPingParameter(uint32 unique_id) : unique_id_(unique_id) {}
+  explicit NetLogSpdyPingParameter(uint32 unique_id, const std::string& type)
+    : unique_id_(unique_id),
+      type_(type) {}
 
   virtual Value* ToValue() const {
     DictionaryValue* dict = new DictionaryValue();
     dict->SetInteger("unique_id", unique_id_);
+    dict->SetString("type", type_);
     return dict;
   }
 
  private:
   ~NetLogSpdyPingParameter() {}
   const uint32 unique_id_;
+  const std::string type_;
 
   DISALLOW_COPY_AND_ASSIGN(NetLogSpdyPingParameter);
 };
@@ -1382,7 +1386,8 @@ void SpdySession::OnGoAway(const spdy::SpdyGoAwayControlFrame& frame) {
 void SpdySession::OnPing(const spdy::SpdyPingControlFrame& frame) {
   net_log_.AddEvent(
       NetLog::TYPE_SPDY_SESSION_PING,
-      make_scoped_refptr(new NetLogSpdyPingParameter(frame.unique_id())));
+      make_scoped_refptr(
+          new NetLogSpdyPingParameter(frame.unique_id(), "received")));
 
   // Send response to a PING from server.
   if (frame.unique_id() % 2 == 0) {
@@ -1593,7 +1598,7 @@ void SpdySession::WritePingFrame(uint32 unique_id) {
   if (net_log().IsLoggingAllEvents()) {
     net_log().AddEvent(
         NetLog::TYPE_SPDY_SESSION_PING,
-        make_scoped_refptr(new NetLogSpdyPingParameter(next_ping_id_)));
+        make_scoped_refptr(new NetLogSpdyPingParameter(next_ping_id_, "sent")));
   }
   if (unique_id % 2 != 0) {
     next_ping_id_ += 2;