Revert of Rework CallApi*Stubs.

src/mips64/interface-descriptors-mips64.cc

Index: src/mips64/interface-descriptors-mips64.cc
diff --git a/src/mips64/interface-descriptors-mips64.cc b/src/mips64/interface-descriptors-mips64.cc
index 4e46baee91182abc37a575f220e89445a2004189..1ef13b377d39454ee8b79b9357f05824168b3238 100644
--- a/src/mips64/interface-descriptors-mips64.cc
+++ b/src/mips64/interface-descriptors-mips64.cc
@@ -384,13 +384,27 @@
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
-void ApiCallbackDescriptorBase::InitializePlatformSpecific(
+
+void ApiFunctionDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {
       a0,  // callee
       a4,  // call_data
       a2,  // holder
       a1,  // api_function_address
+      a3,  // actual number of arguments
+  };
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+
+void ApiAccessorDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {
+      a0,  // callee
+      a4,  // call_data
+      a2,  // holder
+      a1,  // api_function_address
   };
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }