Remove SpdyPingControlFrame struct. Useful for SPDY 4 development.

net/spdy/spdy_framer_test.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 <algorithm>
 #include <iostream>
 #include <limits>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 2133 matching lines @@
 TEST_P(SpdyFramerTest, CreatePingFrame) {
   SpdyFramer framer(spdy_version_);
 
   {
     const char kDescription[] = "PING frame";
     const unsigned char kFrameData[] = {
         0x80, spdy_version_, 0x00, 0x06,
         0x00, 0x00, 0x00, 0x04,
         0x12, 0x34, 0x56, 0x78,
     };
-    scoped_ptr<SpdyPingControlFrame> frame(framer.CreatePingFrame(0x12345678u));
+    scoped_ptr<SpdyFrame> frame(framer.CreatePingFrame(0x12345678u));
     CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
   }
 }
 
 TEST_P(SpdyFramerTest, CreateGoAway) {
   SpdyFramer framer(spdy_version_);
 
   {
     const char kDescription[] = "GOAWAY frame";
     const unsigned char kV2FrameData[] = {
@@ skipping 1388 matching lines @@
   const uint32 kWireFormat = htonl(IsSpdy2() ? 0x04030201 : 0x01020304);
 
   SettingsFlagsAndId id_and_flags =
       SettingsFlagsAndId::FromWireFormat(spdy_version_, kWireFormat);
   EXPECT_EQ(kId, id_and_flags.id());
   EXPECT_EQ(kFlags, id_and_flags.flags());
   EXPECT_EQ(kWireFormat, id_and_flags.GetWireFormat(spdy_version_));
 }
 
 }  // namespace net