Deprecate *_EXPORT_PRIVATE macros.

crypto/scoped_test_system_nss_key_slot.h

Index: crypto/scoped_test_system_nss_key_slot.h
diff --git a/crypto/scoped_test_system_nss_key_slot.h b/crypto/scoped_test_system_nss_key_slot.h
index ac3b72c4ce0bd1f4b7940c40aba78d52fcb25019..99a269cddabadac4e672f8e00ad01f1e878db25d 100644
--- a/crypto/scoped_test_system_nss_key_slot.h
+++ b/crypto/scoped_test_system_nss_key_slot.h
@@ -24,7 +24,7 @@ class ScopedTestNSSDB;
 // |InitializeTPMTokenAndSystemSlot|, which triggers the TPM initialization,
 // does not have to be called if this helper is used.
 // At most one instance of this helper must be used at a time.
-class CRYPTO_EXPORT_PRIVATE ScopedTestSystemNSSKeySlot {
+class CRYPTO_EXPORT ScopedTestSystemNSSKeySlot {
  public:
   explicit ScopedTestSystemNSSKeySlot();
   ~ScopedTestSystemNSSKeySlot();