Implement SPDY_EXPORT and SPDY_EXPORT_PRIVATE macros.

net/spdy/core/spdy_prefixed_buffer_reader.h

 // Copyright 2014 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_CORE_SPDY_PREFIXED_BUFFER_READER_H_
 #define NET_SPDY_CORE_SPDY_PREFIXED_BUFFER_READER_H_
 
 #include <stddef.h>
 
-#include "net/base/net_export.h"
 #include "net/spdy/core/spdy_pinnable_buffer_piece.h"
+#include "net/spdy/platform/api/spdy_export.h"
 
 namespace net {
 
 // Reader class which simplifies reading contiguously from
 // from a disjoint buffer prefix & suffix.
-class NET_EXPORT_PRIVATE SpdyPrefixedBufferReader {
+class SPDY_EXPORT_PRIVATE SpdyPrefixedBufferReader {
  public:
   SpdyPrefixedBufferReader(const char* prefix, size_t prefix_length,
                            const char* suffix, size_t suffix_length);
 
   // Returns number of bytes available to be read.
   size_t Available();
 
   // Reads |count| bytes, copying into |*out|. Returns true on success,
   // false if not enough bytes were available.
   bool ReadN(size_t count, char* out);
 
   // Reads |count| bytes, returned in |*out|. Returns true on success,
   // false if not enough bytes were available.
   bool ReadN(size_t count, SpdyPinnableBufferPiece* out);
 
  private:
   const char* prefix_;
   const char* suffix_;
 
   size_t prefix_length_;
   size_t suffix_length_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_CORE_SPDY_PREFIXED_BUFFER_READER_H_