Revert of Change calling convention of CallApiGetterStub to accept the AccessorInfo

src/x64/interface-descriptors-x64.cc

Index: src/x64/interface-descriptors-x64.cc
diff --git a/src/x64/interface-descriptors-x64.cc b/src/x64/interface-descriptors-x64.cc
index dd55c212d7f3c03d92ac60473b72dcc1288529ce..0b887a29af3fe9088b89dc0d2bf9b663b3d7ef63 100644
--- a/src/x64/interface-descriptors-x64.cc
+++ b/src/x64/interface-descriptors-x64.cc
@@ -53,8 +53,9 @@
 const Register StringCompareDescriptor::LeftRegister() { return rdx; }
 const Register StringCompareDescriptor::RightRegister() { return rax; }
 
-const Register ApiGetterDescriptor::HolderRegister() { return rcx; }
-const Register ApiGetterDescriptor::CallbackRegister() { return rbx; }
+
+const Register ApiGetterDescriptor::function_address() { return r8; }
+
 
 const Register MathPowTaggedDescriptor::exponent() { return rdx; }