Refactor the interface for generating keys.

content/child/webcrypto/algorithm_implementation.cc

Index: content/child/webcrypto/algorithm_implementation.cc
diff --git a/content/child/webcrypto/algorithm_implementation.cc b/content/child/webcrypto/algorithm_implementation.cc
index d362fc9afc1fb1b55656d03a7ac39d3a34f7298f..e54f2921ba5114c1a275743f29fd3ddfa0a7bd99 100644
--- a/content/child/webcrypto/algorithm_implementation.cc
+++ b/content/child/webcrypto/algorithm_implementation.cc
@@ -52,34 +52,11 @@ Status AlgorithmImplementation::Digest(
   return Status::ErrorUnsupported();
 }
 
-Status AlgorithmImplementation::VerifyKeyUsagesBeforeGenerateKey(
-    blink::WebCryptoKeyUsageMask usage_mask) const {
-  return Status::ErrorUnsupported();
-}
-
-Status AlgorithmImplementation::VerifyKeyUsagesBeforeGenerateKeyPair(
-    blink::WebCryptoKeyUsageMask usage_mask,
-    blink::WebCryptoKeyUsageMask* public_usage_mask,
-    blink::WebCryptoKeyUsageMask* private_usage_mask) const {
-  *public_usage_mask = *private_usage_mask = 0;
-  return Status::ErrorUnsupported();
-}
-
-Status AlgorithmImplementation::GenerateSecretKey(
+Status AlgorithmImplementation::GenerateKey(
     const blink::WebCryptoAlgorithm& algorithm,
     bool extractable,
     blink::WebCryptoKeyUsageMask usage_mask,
-    blink::WebCryptoKey* key) const {
-  return Status::ErrorUnsupported();
-}
-
-Status AlgorithmImplementation::GenerateKeyPair(
-    const blink::WebCryptoAlgorithm& algorithm,
-    bool extractable,
-    blink::WebCryptoKeyUsageMask public_usage_mask,
-    blink::WebCryptoKeyUsageMask private_usage_mask,
-    blink::WebCryptoKey* public_key,
-    blink::WebCryptoKey* private_key) const {
+    GenerateKeyResult* result) const {
   return Status::ErrorUnsupported();
 }