Transfer WebCrypto databuffers across the Blink API using blink::WebVector.

third_party/WebKit/public/platform/WebCrypto.h

Index: third_party/WebKit/public/platform/WebCrypto.h
diff --git a/third_party/WebKit/public/platform/WebCrypto.h b/third_party/WebKit/public/platform/WebCrypto.h
index cfd49c5ad5a3c8072bc92b61d489d784d954ac48..ba3d98fa80b84d97ef133c85792cba2943508fe8 100644
--- a/third_party/WebKit/public/platform/WebCrypto.h
+++ b/third_party/WebKit/public/platform/WebCrypto.h
@@ -172,10 +172,8 @@ public:
     // Inputs
     // -----------------------
     //
-    //   * Data buffers are passed as (basePointer, byteLength) pairs.
-    //     These buffers are only valid during the call itself. Asynchronous
-    //     implementations wishing to access it after the function returns
-    //     should make a copy.
+    //   * Data buffers are transfered as WebVectors. Implementations are free
+    //     to re-use or transfer their storage.
     //
     //   * All WebCryptoKeys are guaranteeed to be !isNull().
     //
@@ -200,16 +198,16 @@ public:
     //  * The key usages permit the operation being requested.
     //  * The key's algorithm matches that of the requested operation.
     //
-    virtual void encrypt(const WebCryptoAlgorithm&, const WebCryptoKey&, const unsigned char* data, unsigned dataSize, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
-    virtual void decrypt(const WebCryptoAlgorithm&, const WebCryptoKey&, const unsigned char* data, unsigned dataSize, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
-    virtual void sign(const WebCryptoAlgorithm&, const WebCryptoKey&, const unsigned char* data, unsigned dataSize, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
-    virtual void verifySignature(const WebCryptoAlgorithm&, const WebCryptoKey&, const unsigned char* signature, unsigned signatureSize, const unsigned char* data, unsigned dataSize, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
-    virtual void digest(const WebCryptoAlgorithm&, const unsigned char* data, unsigned dataSize, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
+    virtual void encrypt(const WebCryptoAlgorithm&, const WebCryptoKey&, WebVector<unsigned char> data, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
+    virtual void decrypt(const WebCryptoAlgorithm&, const WebCryptoKey&, WebVector<unsigned char> data, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
+    virtual void sign(const WebCryptoAlgorithm&, const WebCryptoKey&, WebVector<unsigned char> data, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
+    virtual void verifySignature(const WebCryptoAlgorithm&, const WebCryptoKey&, WebVector<unsigned char> signature, WebVector<unsigned char> data, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
+    virtual void digest(const WebCryptoAlgorithm&, WebVector<unsigned char> data, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
     virtual void generateKey(const WebCryptoAlgorithm&, bool extractable, WebCryptoKeyUsageMask, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
-    virtual void importKey(WebCryptoKeyFormat, const unsigned char* keyData, unsigned keyDataSize, const WebCryptoAlgorithm&, bool extractable, WebCryptoKeyUsageMask, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
+    virtual void importKey(WebCryptoKeyFormat, WebVector<unsigned char> keyData, const WebCryptoAlgorithm&, bool extractable, WebCryptoKeyUsageMask, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
     virtual void exportKey(WebCryptoKeyFormat, const WebCryptoKey&, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
     virtual void wrapKey(WebCryptoKeyFormat, const WebCryptoKey& key, const WebCryptoKey& wrappingKey, const WebCryptoAlgorithm&, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
-    virtual void unwrapKey(WebCryptoKeyFormat, const unsigned char* wrappedKey, unsigned wrappedKeySize, const WebCryptoKey&, const WebCryptoAlgorithm& unwrapAlgorithm, const WebCryptoAlgorithm& unwrappedKeyAlgorithm, bool extractable, WebCryptoKeyUsageMask, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
+    virtual void unwrapKey(WebCryptoKeyFormat, WebVector<unsigned char> wrappedKey, const WebCryptoKey&, const WebCryptoAlgorithm& unwrapAlgorithm, const WebCryptoAlgorithm& unwrappedKeyAlgorithm, bool extractable, WebCryptoKeyUsageMask, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
     virtual void deriveBits(const WebCryptoAlgorithm&, const WebCryptoKey&, unsigned length, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }
     virtual void deriveKey(const WebCryptoAlgorithm& algorithm, const WebCryptoKey& baseKey, const WebCryptoAlgorithm& importAlgorithm, const WebCryptoAlgorithm& keyLengthAlgorithm, bool extractable, WebCryptoKeyUsageMask, WebCryptoResult result) { result.completeWithError(WebCryptoErrorTypeNotSupported, ""); }