Various formatting cleanups to net/quic/core/frames

net/quic/core/frames/quic_blocked_frame.h

 // Copyright (c) 2016 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_QUIC_CORE_FRAMES_QUIC_BLOCKED_FRAME_H_
 #define NET_QUIC_CORE_FRAMES_QUIC_BLOCKED_FRAME_H_
 
+#include <ostream>
+
 #include "net/quic/core/quic_types.h"
 #include "net/quic/platform/api/quic_export.h"
 
 namespace net {
 
 // The BLOCKED frame is used to indicate to the remote endpoint that this
 // endpoint believes itself to be flow-control blocked but otherwise ready to
 // send data. The BLOCKED frame is purely advisory and optional.
 // Based on SPDY's BLOCKED frame (undocumented as of 2014-01-28).
 struct QUIC_EXPORT_PRIVATE QuicBlockedFrame {
   QuicBlockedFrame() {}
   explicit QuicBlockedFrame(QuicStreamId stream_id);
 
   friend QUIC_EXPORT_PRIVATE std::ostream& operator<<(
       std::ostream& os,
       const QuicBlockedFrame& b);
 
   // The stream this frame applies to.  0 is a special case meaning the overall
   // connection rather than a specific stream.
   QuicStreamId stream_id;
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CORE_FRAMES_QUIC_BLOCKED_FRAME_H_