Support for the new WebCrypto digest by chunks API.

content/child/webcrypto/shared_crypto.h

Index: content/child/webcrypto/shared_crypto.h
diff --git a/content/child/webcrypto/shared_crypto.h b/content/child/webcrypto/shared_crypto.h
index e341f59e8c262bbd6923b1893a920986ffb1ee69..4354dfb06956fdf5d60cfc2fad67620d820108c2 100644
--- a/content/child/webcrypto/shared_crypto.h
+++ b/content/child/webcrypto/shared_crypto.h
@@ -87,6 +87,9 @@ CONTENT_EXPORT Status Digest(const blink::WebCryptoAlgorithm& algorithm,
                              const CryptoData& data,
                              blink::WebArrayBuffer* buffer);
 
+CONTENT_EXPORT blink::WebCryptoDigestor* CreateDigestor(
+    blink::WebCryptoAlgorithm algorithm);

[eroman, 2014/03/25 23:26:23]

I thought on the blink side we were taking AlgorithmId for the hash rather than
Algorithm (in which case this should mirror that).

[jww, 2014/03/26 00:42:31]

Done.

+
 CONTENT_EXPORT Status
     GenerateSecretKey(const blink::WebCryptoAlgorithm& algorithm,
                       bool extractable,