Remove SpdyWindowUpdateControlFrame. Useful in SPDY 4 development.

net/spdy/spdy_framer.h

 // 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.
 
 #ifndef NET_SPDY_SPDY_FRAMER_H_
 #define NET_SPDY_SPDY_FRAMER_H_
 
 #include <list>
 #include <map>
 #include <string>
@@ skipping 394 matching lines @@
 
   // Creates an instance of SpdyHeadersControlFrame. The HEADERS frame is used
   // for sending additional headers outside of a SYN_STREAM/SYN_REPLY. The
   // arguments are the same as for CreateSynReply.
   SpdyHeadersControlFrame* CreateHeaders(SpdyStreamId stream_id,
                                          SpdyControlFlags flags,
                                          bool compressed,
                                          const SpdyHeaderBlock* headers);
   SpdySerializedFrame* SerializeHeaders(const SpdyHeadersIR& headers);
 
-  // Creates an instance of SpdyWindowUpdateControlFrame. The WINDOW_UPDATE
+  // Creates and serializes a WINDOW_UPDATE frame. The WINDOW_UPDATE
   // frame is used to implement per stream flow control in SPDY.
-  SpdyWindowUpdateControlFrame* CreateWindowUpdate(
+  SpdyFrame* CreateWindowUpdate(
       SpdyStreamId stream_id,
       uint32 delta_window_size) const;
   SpdySerializedFrame* SerializeWindowUpdate(
       const SpdyWindowUpdateIR& window_update) const;
 
   // Creates an instance of SpdyCredentialControlFrame.  The CREDENTIAL
   // frame is used to send a client certificate to the server when
   // request more than one origin are sent over the same SPDY session.
   SpdyCredentialControlFrame* CreateCredentialFrame(
       const SpdyCredential& credential) const;
@@ skipping 236 matching lines @@
   // starts with HTTP.  If it does, we likely have an HTTP response.   This
   // isn't guaranteed though: we could have gotten a settings frame and then
   // corrupt data that just looks like HTTP, but deterministic checking requires
   // a lot more state.
   bool probable_http_response_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_FRAMER_H_