Revert 174726 "[webcrypto] Remove RSA-ES support (3 of 3)"

trunk/public/platform/WebCryptoAlgorithmParams.h

Index: trunk/public/platform/WebCryptoAlgorithmParams.h
===================================================================
--- trunk/public/platform/WebCryptoAlgorithmParams.h	(revision 174732)
+++ trunk/public/platform/WebCryptoAlgorithmParams.h	(working copy)
@@ -150,6 +150,24 @@
     const unsigned m_optionalLengthBits;
 };
 
+class WebCryptoRsaKeyGenParams : public WebCryptoAlgorithmParams {
+public:
+    WebCryptoRsaKeyGenParams(unsigned modulusLengthBits, const unsigned char* publicExponent, unsigned publicExponentSize)
+        : m_modulusLengthBits(modulusLengthBits)
+        , m_publicExponent(publicExponent, publicExponentSize)
+    {
+    }
+
+    virtual WebCryptoAlgorithmParamsType type() const { return WebCryptoAlgorithmParamsTypeRsaKeyGenParams; }
+
+    unsigned modulusLengthBits() const { return m_modulusLengthBits; }
+    const WebVector<unsigned char>& publicExponent() const { return m_publicExponent; }
+
+private:
+    const unsigned m_modulusLengthBits;
+    const WebVector<unsigned char> m_publicExponent;
+};
+
 class WebCryptoAesGcmParams : public WebCryptoAlgorithmParams {
 public:
     WebCryptoAesGcmParams(const unsigned char* iv, unsigned ivSize, bool hasAdditionalData, const unsigned char* additionalData, unsigned additionalDataSize, bool hasTagLengthBits, unsigned char tagLengthBits)
@@ -191,11 +209,10 @@
     virtual WebCryptoAlgorithmParamsType type() const { return WebCryptoAlgorithmParamsTypeRsaHashedImportParams; }
 };
 
-class WebCryptoRsaHashedKeyGenParams : public WebCryptoAlgorithmParams {
+class WebCryptoRsaHashedKeyGenParams : public WebCryptoRsaKeyGenParams {
 public:
     explicit WebCryptoRsaHashedKeyGenParams(const WebCryptoAlgorithm& hash, unsigned modulusLengthBits, const unsigned char* publicExponent, unsigned publicExponentSize)
-        : m_modulusLengthBits(modulusLengthBits)
-        , m_publicExponent(publicExponent, publicExponentSize)
+        : WebCryptoRsaKeyGenParams(modulusLengthBits, publicExponent, publicExponentSize)
         , m_hash(hash)
     {
         BLINK_ASSERT(!hash.isNull());
@@ -203,13 +220,9 @@
 
     virtual WebCryptoAlgorithmParamsType type() const { return WebCryptoAlgorithmParamsTypeRsaHashedKeyGenParams; }
 
-    unsigned modulusLengthBits() const { return m_modulusLengthBits; }
-    const WebVector<unsigned char>& publicExponent() const { return m_publicExponent; }
     const WebCryptoAlgorithm& hash() const { return m_hash; }
 
 private:
-    const unsigned m_modulusLengthBits;
-    const WebVector<unsigned char> m_publicExponent;
     const WebCryptoAlgorithm m_hash;
 };