WebCrypto: Implement digest() using NSS

content/renderer/webcrypto_impl.cc

Index: content/renderer/webcrypto_impl.cc
diff --git a/content/renderer/webcrypto_impl.cc b/content/renderer/webcrypto_impl.cc
index 80c551240eeb141a4c5b305f9485e5df2c241b6e..f326f8d33299c946ef921540e254c522592168b5 100644
--- a/content/renderer/webcrypto_impl.cc
+++ b/content/renderer/webcrypto_impl.cc
@@ -4,11 +4,18 @@
 
 #include "content/renderer/webcrypto_impl.h"
 
+// TODO(bryaneyler): Also include these in OpenSSL build.
+#if defined(USE_NSS)
+#include "content/renderer/webcrypto_sha_digest.h"
+#endif
+
 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h"
 
 namespace content {
 
 WebKit::WebCryptoOperation* WebCryptoImpl::digest(
+// TODO(bryaneyler): Also include these in OpenSSL build.
+#if defined(USE_NSS)
     const WebKit::WebCryptoAlgorithm& algorithm) {
   switch (algorithm.id()) {
     case WebKit::WebCryptoAlgorithmIdSha1:
@@ -16,12 +23,15 @@ WebKit::WebCryptoOperation* WebCryptoImpl::digest(
     case WebKit::WebCryptoAlgorithmIdSha256:
     case WebKit::WebCryptoAlgorithmIdSha384:
     case WebKit::WebCryptoAlgorithmIdSha512:
-      // TODO(eroman): Implement.
-      return NULL;
+      return new WebCryptoSHADigest(algorithm.id());
     default:
       // Not a digest algorithm.
       return NULL;
   }
+#else
+  // No way to process.
+  return NULL;
+#endif
 }
 
 }  // namespace content