Remove SpdyPingControlFrame struct. Useful for SPDY 4 development.

net/spdy/spdy_session.cc

 // Copyright (c) 2012 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.
 
 #include "net/spdy/spdy_session.h"
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 1809 matching lines @@
   if ((now - last_activity_time_) > connection_at_risk_of_loss_time_)
     SendPrefacePing();
 }
 
 void SpdySession::SendPrefacePing() {
   WritePingFrame(next_ping_id_);
 }
 
 void SpdySession::WritePingFrame(uint32 unique_id) {
   DCHECK(buffered_spdy_framer_.get());
-  scoped_ptr<SpdyPingControlFrame> ping_frame(
+  scoped_ptr<SpdyFrame> ping_frame(
       buffered_spdy_framer_->CreatePingFrame(unique_id));
   QueueFrame(ping_frame.release(), HIGHEST);
 
   if (net_log().IsLoggingAllEvents()) {
     net_log().AddEvent(
         NetLog::TYPE_SPDY_SESSION_PING,
         base::Bind(&NetLogSpdyPingCallback, unique_id, "sent"));
   }
   if (unique_id % 2 != 0) {
     next_ping_id_ += 2;
@@ skipping 144 matching lines @@
 SSLClientSocket* SpdySession::GetSSLClientSocket() const {
   if (!is_secure_)
     return NULL;
   SSLClientSocket* ssl_socket =
       reinterpret_cast<SSLClientSocket*>(connection_->socket());
   DCHECK(ssl_socket);
   return ssl_socket;
 }
 
 }  // namespace net