WebCrypto: Add algorithm normalization rules for RSASSA-PKCS1-v1_5.

public/platform/WebCryptoAlgorithm.h

Index: public/platform/WebCryptoAlgorithm.h
diff --git a/public/platform/WebCryptoAlgorithm.h b/public/platform/WebCryptoAlgorithm.h
index 07bcc62c0d1e65a10c59f5c8cb6b7a40b9b8d532..a7837ed2d532f78dff7b91ca567b09483666c7bd 100644
--- a/public/platform/WebCryptoAlgorithm.h
+++ b/public/platform/WebCryptoAlgorithm.h
@@ -43,6 +43,7 @@ namespace WebKit {
 enum WebCryptoAlgorithmId {
     WebCryptoAlgorithmIdAesCbc,
     WebCryptoAlgorithmIdHmac,
+    WebCryptoAlgorithmIdRsaSsaPkcs1v1_5,
     WebCryptoAlgorithmIdSha1,
     WebCryptoAlgorithmIdSha224,
     WebCryptoAlgorithmIdSha256,
@@ -58,11 +59,15 @@ enum WebCryptoAlgorithmParamsType {
     WebCryptoAlgorithmParamsTypeAesCbcParams,
     WebCryptoAlgorithmParamsTypeAesKeyGenParams,
     WebCryptoAlgorithmParamsTypeHmacParams,
+    WebCryptoAlgorithmParamsTypeRsaSsaParams,
+    WebCryptoAlgorithmParamsTypeRsaKeyGenParams,
 };
 
 class WebCryptoAesCbcParams;
 class WebCryptoAesKeyGenParams;
 class WebCryptoHmacParams;
+class WebCryptoRsaSsaParams;
+class WebCryptoRsaKeyGenParams;
 
 class WebCryptoAlgorithmParams;
 class WebCryptoAlgorithmPrivate;
@@ -99,6 +104,8 @@ public:
     WEBKIT_EXPORT WebCryptoAesCbcParams* aesCbcParams() const;
     WEBKIT_EXPORT WebCryptoAesKeyGenParams* aesKeyGenParams() const;
     WEBKIT_EXPORT WebCryptoHmacParams* hmacParams() const;
+    WEBKIT_EXPORT WebCryptoRsaSsaParams* rsaSsaParams() const;
+    WEBKIT_EXPORT WebCryptoRsaKeyGenParams* rsaKeyGenParams() const;
 
 private:
     WEBKIT_EXPORT void assign(const WebCryptoAlgorithm& other);