New CRYPTO_EXPORT macros.

crypto/mock_keychain_mac.h

Index: crypto/mock_keychain_mac.h
diff --git a/crypto/mock_keychain_mac.h b/crypto/mock_keychain_mac.h
index d52353e1b8bd43ac66f146efd110745c3bea992a..51f725149a333d7999167806352a4094dba4e3bc 100644
--- a/crypto/mock_keychain_mac.h
+++ b/crypto/mock_keychain_mac.h
@@ -24,7 +24,7 @@ namespace crypto {
 // Note that "const" is pretty much meaningless for this class; the const-ness
 // of MacKeychain doesn't apply to the actual keychain data, so all of the Mock
 // data is mutable; don't assume that it won't change over the life of tests.
-class MockKeychain : public MacKeychain {
+class CRYPTO_EXPORT MockKeychain : public MacKeychain {
  public:
   MockKeychain();
   virtual ~MockKeychain();