Implement SPDY_EXPORT and SPDY_EXPORT_PRIVATE macros.

net/spdy/core/hpack/hpack_input_stream.h

Index: net/spdy/core/hpack/hpack_input_stream.h
diff --git a/net/spdy/core/hpack/hpack_input_stream.h b/net/spdy/core/hpack/hpack_input_stream.h
index 555ea30b1b9eb45234523116ed5e54408f733a40..fa0e84c09dba6d3af5751bb0102eeb786765b4e6 100644
--- a/net/spdy/core/hpack/hpack_input_stream.h
+++ b/net/spdy/core/hpack/hpack_input_stream.h
@@ -11,9 +11,9 @@
 #include <utility>
 
 #include "base/macros.h"
-#include "net/base/net_export.h"
 #include "net/spdy/core/hpack/hpack_constants.h"
 #include "net/spdy/core/hpack/hpack_huffman_table.h"
+#include "net/spdy/platform/api/spdy_export.h"
 #include "net/spdy/platform/api/spdy_string.h"
 #include "net/spdy/platform/api/spdy_string_piece.h"
 
@@ -30,7 +30,7 @@ typedef std::pair<size_t, uint32_t> InitialPeekResult;
 
 // An HpackInputStream handles all the low-level details of decoding
 // header fields.
-class NET_EXPORT_PRIVATE HpackInputStream {
+class SPDY_EXPORT_PRIVATE HpackInputStream {
  public:
   friend class test::HpackInputStreamPeer;