Credential Manager: Pass the correct credential type to the embedder.

Source/modules/credentialmanager/CredentialsContainer.cpp

Index: Source/modules/credentialmanager/CredentialsContainer.cpp
diff --git a/Source/modules/credentialmanager/CredentialsContainer.cpp b/Source/modules/credentialmanager/CredentialsContainer.cpp
index 977f55dba68dc98301b22f6515aac35be2ed2b55..4cb6c87e9374bfdc4326287ce3e7b0481922608d 100644
--- a/Source/modules/credentialmanager/CredentialsContainer.cpp
+++ b/Source/modules/credentialmanager/CredentialsContainer.cpp
@@ -134,7 +134,7 @@ ScriptPromise CredentialsContainer::notifySignedIn(ScriptState* scriptState, Cre
     if (!checkBoilerplate(resolver))
         return promise;
 
-    CredentialManagerClient::from(scriptState->executionContext())->dispatchSignedIn(WebCredential(credential->platformCredential()), new NotificationCallbacks(resolver));
+    CredentialManagerClient::from(scriptState->executionContext())->dispatchSignedIn(WebCredential::create(credential->platformCredential()), new NotificationCallbacks(resolver));
     return promise;
 }
 
@@ -145,7 +145,7 @@ ScriptPromise CredentialsContainer::notifyFailedSignIn(ScriptState* scriptState,
     if (!checkBoilerplate(resolver))
         return promise;
 
-    CredentialManagerClient::from(scriptState->executionContext())->dispatchFailedSignIn(WebCredential(credential->platformCredential()), new NotificationCallbacks(resolver));
+    CredentialManagerClient::from(scriptState->executionContext())->dispatchFailedSignIn(WebCredential::create(credential->platformCredential()), new NotificationCallbacks(resolver));
     return promise;
 }