[webcrypto] Add RSASSA-PKCS1-v1_5 sign and verify for NSS.

content/renderer/webcrypto/webcrypto_util.h

Index: content/renderer/webcrypto/webcrypto_util.h
diff --git a/content/renderer/webcrypto/webcrypto_util.h b/content/renderer/webcrypto/webcrypto_util.h
index 60a851a8a0e03bc37aa7cd764d159acb447bda1b..a0aa55f60b08d28f87966d7c54a816116b3162fb 100644
--- a/content/renderer/webcrypto/webcrypto_util.h
+++ b/content/renderer/webcrypto/webcrypto_util.h
@@ -35,6 +35,8 @@ blink::WebArrayBuffer CreateArrayBuffer(const uint8* data, unsigned data_size);
 // In Web Crypto, this type of encoding is only used inside JWK.
 bool Base64DecodeUrlSafe(const std::string& input, std::string* output);
 
+bool IsHashAlgorithm(blink::WebCryptoAlgorithmId alg_id);

[eroman, 2014/01/15 23:10:02]

This needs to be marked as CONTENT_EXPORT or it will result in a linking failure
for the content_unittests (since it is used from the _unittest.cc, which may be
compiled as a separate module)

[padolph, 2014/01/16 02:02:04]

Done.

+
 // Returns the "hash" param for an algorithm if it exists, otherwise returns
 // a null algorithm.
 blink::WebCryptoAlgorithm GetInnerHashAlgorithm(