Remove several usages of linked_ptr in spdy land.

net/spdy/buffered_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_BUFFERED_SPDY_FRAMER_H_
 #define NET_SPDY_BUFFERED_SPDY_FRAMER_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
-#include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/base/net_export.h"
 #include "net/spdy/spdy_framer.h"
 #include "net/spdy/spdy_protocol.h"
 
 namespace net {
 
 class NET_EXPORT_PRIVATE BufferedSpdyFramerVisitorInterface {
  public:
   BufferedSpdyFramerVisitorInterface() {}
 
   // Called if an error is detected in the SpdyFrame protocol.
   virtual void OnError(SpdyFramer::SpdyError error_code) = 0;
 
   // Called if an error is detected in a SPDY stream.
   virtual void OnStreamError(SpdyStreamId stream_id,
                              const std::string& description) = 0;
 
   // Called after all the header data for SYN_STREAM control frame is received.
   virtual void OnSynStream(SpdyStreamId stream_id,
                            SpdyStreamId associated_stream_id,
                            SpdyPriority priority,
                            uint8 credential_slot,
                            bool fin,
                            bool unidirectional,
-                           const linked_ptr<SpdyHeaderBlock>& headers) = 0;
+                           const SpdyHeaderBlock& headers) = 0;
 
   // Called after all the header data for SYN_REPLY control frame is received.
   virtual void OnSynReply(SpdyStreamId stream_id,
                           bool fin,
-                          const linked_ptr<SpdyHeaderBlock>& headers) = 0;
+                          const SpdyHeaderBlock& headers) = 0;
 
   // Called after all the header data for HEADERS control frame is received.
   virtual void OnHeaders(SpdyStreamId stream_id,
                          bool fin,
-                         const linked_ptr<SpdyHeaderBlock>& headers) = 0;
+                         const SpdyHeaderBlock& headers) = 0;
 
   // Called when data is received.
   // |stream_id| The stream receiving data.
   // |data| A buffer containing the data received.
   // |len| The length of the data buffer.
   // When the other side has finished sending data on this stream,
   // this method will be called with a zero-length buffer.
   virtual void OnStreamFrameData(SpdyStreamId stream_id,
                                  const char* data,
                                  size_t len) = 0;
@@ skipping 151 matching lines @@
     bool unidirectional;
   };
   scoped_ptr<ControlFrameFields> control_frame_fields_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferedSpdyFramer);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_BUFFERED_SPDY_FRAMER_H_