[webcrypto] Add the KeyAlgorithm interface.

Source/platform/exported/WebCryptoAlgorithm.cpp

Index: Source/platform/exported/WebCryptoAlgorithm.cpp
diff --git a/Source/platform/exported/WebCryptoAlgorithm.cpp b/Source/platform/exported/WebCryptoAlgorithm.cpp
index 42dd356b974523833200a334daad890f69190293..ece201a7cc0261de90f92b8109d1f3b30a2987ff 100644
--- a/Source/platform/exported/WebCryptoAlgorithm.cpp
+++ b/Source/platform/exported/WebCryptoAlgorithm.cpp
@@ -107,27 +107,19 @@ const WebCryptoAesKeyGenParams* WebCryptoAlgorithm::aesKeyGenParams() const
     return 0;
 }
 
-const WebCryptoHmacParams* WebCryptoAlgorithm::hmacParams() const
+const WebCryptoHmacImportParams* WebCryptoAlgorithm::hmacImportParams() const
 {
     ASSERT(!isNull());
-    if (paramsType() == WebCryptoAlgorithmParamsTypeHmacParams)
-        return static_cast<WebCryptoHmacParams*>(m_private->params.get());
+    if (paramsType() == WebCryptoAlgorithmParamsTypeHmacImportParams)
+        return static_cast<WebCryptoHmacImportParams*>(m_private->params.get());
     return 0;
 }
 
-const WebCryptoHmacKeyParams* WebCryptoAlgorithm::hmacKeyParams() const
+const WebCryptoHmacKeyGenParams* WebCryptoAlgorithm::hmacKeyGenParams() const
 {
     ASSERT(!isNull());
-    if (paramsType() == WebCryptoAlgorithmParamsTypeHmacKeyParams)
-        return static_cast<WebCryptoHmacKeyParams*>(m_private->params.get());
-    return 0;
-}
-
-const WebCryptoRsaSsaParams* WebCryptoAlgorithm::rsaSsaParams() const
-{
-    ASSERT(!isNull());
-    if (paramsType() == WebCryptoAlgorithmParamsTypeRsaSsaParams)
-        return static_cast<WebCryptoRsaSsaParams*>(m_private->params.get());
+    if (paramsType() == WebCryptoAlgorithmParamsTypeHmacKeyGenParams)
+        return static_cast<WebCryptoHmacKeyGenParams*>(m_private->params.get());
     return 0;
 }
 
@@ -155,6 +147,22 @@ const WebCryptoRsaOaepParams* WebCryptoAlgorithm::rsaOaepParams() const
     return 0;
 }
 
+const WebCryptoRsaHashedImportParams* WebCryptoAlgorithm::rsaHashedImportParams() const
+{
+    ASSERT(!isNull());
+    if (paramsType() == WebCryptoAlgorithmParamsTypeRsaHashedImportParams)
+        return static_cast<WebCryptoRsaHashedImportParams*>(m_private->params.get());
+    return 0;
+}
+
+const WebCryptoRsaHashedKeyGenParams* WebCryptoAlgorithm::rsaHashedKeyGenParams() const
+{
+    ASSERT(!isNull());
+    if (paramsType() == WebCryptoAlgorithmParamsTypeRsaHashedKeyGenParams)
+        return static_cast<WebCryptoRsaHashedKeyGenParams*>(m_private->params.get());
+    return 0;
+}
+
 void WebCryptoAlgorithm::assign(const WebCryptoAlgorithm& other)
 {
     m_private = other.m_private;