relnote: Change the QuicBlockedFrame in QuicFrame from a pointer to in-place. No functional change.

net/quic/quic_protocol.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_QUIC_QUIC_PROTOCOL_H_
 #define NET_QUIC_QUIC_PROTOCOL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 1072 matching lines @@
   UNKNOWN,
   // All other peer address change types.
   UNSPECIFIED,
 };
 
 struct NET_EXPORT_PRIVATE QuicFrame {
   QuicFrame();
   explicit QuicFrame(QuicPaddingFrame padding_frame);
   explicit QuicFrame(QuicMtuDiscoveryFrame frame);
   explicit QuicFrame(QuicPingFrame frame);
+  explicit QuicFrame(QuicBlockedFrame frame);
 
   explicit QuicFrame(QuicStreamFrame* stream_frame);
   explicit QuicFrame(QuicAckFrame* frame);
   explicit QuicFrame(QuicRstStreamFrame* frame);
   explicit QuicFrame(QuicConnectionCloseFrame* frame);
   explicit QuicFrame(QuicStopWaitingFrame* frame);
   explicit QuicFrame(QuicGoAwayFrame* frame);
   explicit QuicFrame(QuicWindowUpdateFrame* frame);
-  explicit QuicFrame(QuicBlockedFrame* frame);
 
   NET_EXPORT_PRIVATE friend std::ostream& operator<<(std::ostream& os,
                                                      const QuicFrame& frame);
 
   QuicFrameType type;
   union {
     // Frames smaller than a pointer are inline.
     QuicPaddingFrame padding_frame;
     QuicMtuDiscoveryFrame mtu_discovery_frame;
     QuicPingFrame ping_frame;
+    QuicBlockedFrame blocked_frame;
 
     // Frames larger than a pointer.
     QuicStreamFrame* stream_frame;
     QuicAckFrame* ack_frame;
     QuicStopWaitingFrame* stop_waiting_frame;
     QuicRstStreamFrame* rst_stream_frame;
     QuicConnectionCloseFrame* connection_close_frame;
     QuicGoAwayFrame* goaway_frame;
     QuicWindowUpdateFrame* window_update_frame;
-    QuicBlockedFrame* blocked_frame;
   };
 };
 // QuicFrameType consumes 8 bytes with padding.
 static_assert(sizeof(QuicFrame) <= 16,
               "Frames larger than 8 bytes should be referenced by pointer.");
 
 typedef std::vector<QuicFrame> QuicFrames;
 
 class NET_EXPORT_PRIVATE QuicData {
  public:
@@ skipping 185 matching lines @@
       : iov(iov), iov_count(iov_count), total_length(total_length) {}
 
   const struct iovec* iov;
   const int iov_count;
   const size_t total_length;
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_PROTOCOL_H_