Implement verify() for HMAC using NSS

content/renderer/webcrypto_impl_openssl.cc

Index: content/renderer/webcrypto_impl_openssl.cc
diff --git a/content/renderer/webcrypto_impl_openssl.cc b/content/renderer/webcrypto_impl_openssl.cc
index 9aa1a4253016bb10bd7859a32e42afb5c3483cd0..3b812506a8dd7a8860d0afbcac986a6b009bf951 100644
--- a/content/renderer/webcrypto_impl_openssl.cc
+++ b/content/renderer/webcrypto_impl_openssl.cc
@@ -43,4 +43,17 @@ bool WebCryptoImpl::SignInternal(
   return false;
 }
 
+bool WebCryptoImpl::VerifySignatureInternal(
+    const WebKit::WebCryptoAlgorithm& algorithm,
+    const WebKit::WebCryptoKey& key,
+    const unsigned char* signature,
+    unsigned signature_size,
+    const unsigned char* data,
+    unsigned data_size,
+    bool* signature_match) {
+  // TODO(bryaneyler): Placeholder for OpenSSL implementation.
+  // Issue http://crbug.com/267888.
+  return false;
+}
+
 }  // namespace content