Fixes for -Wunused-function on Linux, Android and ChromeOS

content/renderer/webcrypto/webcrypto_impl_unittest.cc

 // Copyright 2013 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.
 
 #include "content/renderer/webcrypto/webcrypto_impl.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 62 matching lines @@
       new blink::WebCryptoAesCbcParams(Start(iv), iv.size()));
 }
 
 blink::WebCryptoAlgorithm CreateAesCbcAlgorithm(
     unsigned short key_length_bits) { // NOLINT
   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
       blink::WebCryptoAlgorithmIdAesCbc,
       new blink::WebCryptoAesKeyGenParams(key_length_bits));
 }
 
+#if !defined(USE_OPENSSL)
 blink::WebCryptoAlgorithm CreateRsaAlgorithm(
     blink::WebCryptoAlgorithmId algorithm_id,
     unsigned modulus_length,
     const std::vector<uint8>& public_exponent) {
   DCHECK(algorithm_id == blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5 ||
          algorithm_id == blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 ||
          algorithm_id == blink::WebCryptoAlgorithmIdRsaOaep);
   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
       algorithm_id,
       new blink::WebCryptoRsaKeyGenParams(
           modulus_length, Start(public_exponent), public_exponent.size()));
 }
+#endif  // !defined(USE_OPENSSL)
 
 }  // namespace
 
 namespace content {
 
 class WebCryptoImplTest : public testing::Test {
  protected:
   blink::WebCryptoKey ImportSecretKeyFromRawHexString(
       const std::string& key_hex,
       const blink::WebCryptoAlgorithm& algorithm,
@@ skipping 683 matching lines @@
   EXPECT_EQ(blink::WebCryptoKeyTypePrivate, private_key.type());
   EXPECT_EQ(extractable, public_key.extractable());
   EXPECT_EQ(extractable, private_key.extractable());
   EXPECT_EQ(usage_mask, public_key.usages());
   EXPECT_EQ(usage_mask, private_key.usages());
 }
 
 #endif  // #if !defined(USE_OPENSSL)
 
 }  // namespace content