Make SpdyHeaderBlock non-copyable.

net/quic/quic_chromium_client_stream.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.
 //
 // NOTE: This code is not shared between Google and Chrome.
 
 #ifndef NET_QUIC_QUIC_CHROMIUM_CLIENT_STREAM_H_
 #define NET_QUIC_QUIC_CHROMIUM_CLIENT_STREAM_H_
 
 #include <stddef.h>
@@ skipping 103 matching lines @@
 
   // Prevents this stream from migrating to a new network. May cause other
   // concurrent streams within the session to also not migrate.
   void DisableConnectionMigration();
 
   bool can_migrate() { return can_migrate_; }
 
   using QuicSpdyStream::HasBufferedData;
 
  private:
-  void NotifyDelegateOfHeadersCompleteLater(const SpdyHeaderBlock& headers,
+  void NotifyDelegateOfHeadersCompleteLater(SpdyHeaderBlock headers,
                                             size_t frame_len);
   void NotifyDelegateOfHeadersComplete(SpdyHeaderBlock headers,
                                        size_t frame_len);
   void NotifyDelegateOfDataAvailableLater();
   void NotifyDelegateOfDataAvailable();
   void RunOrBuffer(base::Closure closure);
 
   BoundNetLog net_log_;
   Delegate* delegate_;
 
@@ skipping 10 matching lines @@
   std::deque<base::Closure> delegate_tasks_;
 
   base::WeakPtrFactory<QuicChromiumClientStream> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicChromiumClientStream);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CHROMIUM_CLIENT_STREAM_H_