[webcrypto] Add wrap/unwrap forwarding methods to WebCryptoImpl.

content/child/webcrypto/webcrypto_impl.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_CHILD_WEBCRYPTO_WEBCRYPTO_IMPL_H_
 #define CONTENT_CHILD_WEBCRYPTO_WEBCRYPTO_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "third_party/WebKit/public/platform/WebCrypto.h"
@@ skipping 43 matching lines @@
                     const blink::WebCryptoKey& key,
                     const unsigned char* data,
                     unsigned int data_size,
                     blink::WebCryptoResult result);
   virtual void verifySignature(const blink::WebCryptoAlgorithm& algorithm,
                                const blink::WebCryptoKey& key,
                                const unsigned char* signature,
                                unsigned int signature_size,
                                const unsigned char* data,
                                unsigned int data_size,
-                               blink::WebCryptoResult result);
+                              blink::WebCryptoResult result);
+  virtual void wrapKey(blink::WebCryptoKeyFormat format,
+                       const blink::WebCryptoKey& key,
+                       const blink::WebCryptoKey& wrapping_key,
+                       const blink::WebCryptoAlgorithm& wrap_algorithm,
+                       blink::WebCryptoResult result);
+  virtual void unwrapKey(
+      blink::WebCryptoKeyFormat format,
+      const unsigned char* wrapped_key,
+      unsigned wrapped_key_size,
+      const blink::WebCryptoKey& wrapping_key,
+      const blink::WebCryptoAlgorithm& unwrap_algorithm,
+      const blink::WebCryptoAlgorithm& unwrapped_key_algorithm,
+      bool extractable,
+      blink::WebCryptoKeyUsageMask usages,
+      blink::WebCryptoResult result);
   // This method synchronously computes a digest for the given data, returning
   // |true| if successful and |false| otherwise.
   virtual bool digestSynchronous(const blink::WebCryptoAlgorithmId algorithm_id,
                                  const unsigned char* data,
                                  unsigned int data_size,
                                  blink::WebArrayBuffer& result);
 
   virtual bool deserializeKeyForClone(
       const blink::WebCryptoKeyAlgorithm& algorithm,
       blink::WebCryptoKeyType type,
       bool extractable,
       blink::WebCryptoKeyUsageMask usages,
       const unsigned char* key_data,
       unsigned key_data_size,
       blink::WebCryptoKey& key);
 
   virtual bool serializeKeyForClone(const blink::WebCryptoKey& key,
                                     blink::WebVector<unsigned char>& key_data);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebCryptoImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_WEBCRYPTO_WEBCRYPTO_IMPL_H_