Implement SPDY_EXPORT and SPDY_EXPORT_PRIVATE macros.

net/spdy/core/spdy_headers_handler_interface.h

Index: net/spdy/core/spdy_headers_handler_interface.h
diff --git a/net/spdy/core/spdy_headers_handler_interface.h b/net/spdy/core/spdy_headers_handler_interface.h
index caa7e6aff1fabfe285886cbc5ded60720baaeba1..6144caefd9e20f1e562f55bd713a0f6b0f1ad494 100644
--- a/net/spdy/core/spdy_headers_handler_interface.h
+++ b/net/spdy/core/spdy_headers_handler_interface.h
@@ -7,14 +7,14 @@
 
 #include <stddef.h>
 
-#include "net/base/net_export.h"
+#include "net/spdy/platform/api/spdy_export.h"
 #include "net/spdy/platform/api/spdy_string_piece.h"
 
 namespace net {
 
 // This interface defines how an object that accepts header data should behave.
 // It is used by both SpdyHeadersBlockParser and HpackDecoder.
-class NET_EXPORT_PRIVATE SpdyHeadersHandlerInterface {
+class SPDY_EXPORT_PRIVATE SpdyHeadersHandlerInterface {
  public:
   virtual ~SpdyHeadersHandlerInterface() {}